What this page covers
Topic: UNESCO Man and the Biosphere Series (2015-2022)
Purpose: Identification, specifications, mintages, and collector guidance.
How to use: Quick facts first, then the detailed tables below.
Coin Reference
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Jardines Galleries · An eight-part vision · Two sets realized

UNESCO Man and the Biosphere Series.

A coin programme conceived as eight sets — one for each of South Africa's UNESCO-recognised biosphere reserves — released in partnership with UNESCO as part of the World Heritage International Coin Program. Inaugurated in 2015 with the Kogelberg Biosphere Reserve, joined in 2018 by Waterberg. After Waterberg, the series effectively halted: only two of the planned eight biospheres were ever issued in the gold-and-silver MAB format. Each set comprised two pure-gold quarter-ounces and two sterling-silver crowns, all carrying the UNESCO privy mark, distributed locally by the South African Mint and globally by PAMP SA.

— South Africa's eight UNESCO biosphere reserves · Realized vs unrealized —
Kogelberg 2015 · inaugural
Cape West Coast Not issued (MAB)
Waterberg 2018 · second issue
Kruger to Canyons Gazetted 2019 · not released
Cape Winelands Not issued
Vhembe Not issued
Gouritz cluster Not issued
Magaliesberg Not issued
Each reserve was to receive a four-coin set. Two of the eight were delivered in the MAB format — Kogelberg and Waterberg.
— Set composition · Identical structure across both releases —
2 × R2 gold quarter-ounce
24-carat .9999 fine gold 1/4 oz · 7.776 g · 22 mm Proof finish · UNESCO privy mark
2 × R2 silver crown
Sterling silver · Ag 925 1 oz · ~33.6 g · 38.725 mm Proof finish · UNESCO privy mark
Each four-coin set follows the same 2 + 2 structure — two gold, two silver, all R2 face value, all carrying the UNESCO privy mark and the common biosphere-locator obverse.

Series overview

The UNESCO Man and the Biosphere coin series is part of the UNESCO World Heritage International Coin Program, launched in 2012 to celebrate UNESCO's activities and achievements through coins and medallions issued by member states. The South African Mint became the first national mint to dedicate an extended sub-programme to UNESCO Biosphere Reserves, designing eight four-coin sets — one for each of South Africa's eight recognised biospheres — to be issued sequentially.

The inaugural Kogelberg Biosphere Reserve set was launched on 2 October 2015 by Tumi Tsehlo, then Managing Director of the South African Mint, at the Waterkloof Wine Estate overlooking the Western Cape's Kogelberg reserve. After a hiatus, the series returned in 2018 with the Waterberg Biosphere Reserve set, alongside the SA Mint's other 2018 commemoratives at the World Money Fair.

Distribution operates on two channels: the SA Mint sells the series locally; PAMP SA (Produits Artistiques Métaux Précieux) coordinates global distribution via UNESCO's international partnership. The dual-channel model is what positions the Man and the Biosphere coins as part of a worldwide UNESCO numismatic programme rather than a purely domestic SA Mint product.

— SA Mint announcement · 2018 World Money Fair —

"We are excited to reintroduce the UNESCO Man and Biosphere range which is hugely popular locally and internationally."

Tumi Tsehlo · Managing Director, South African Mint · 2018

The two issues

Both released sets follow the identical 2 + 2 structure (two gold quarter-ounces, two silver crowns). The thematic content — and the specific flora, fauna, and cultural elements depicted — varies entirely with the biosphere being celebrated.

2015

Kogelberg Biosphere Reserve

First series · launched 2 Oct 2015 · Waterkloof Wine Estate · Western Cape

South Africa's first declared biosphere reserve, covering 103,629 hectares within 40 km of Cape Town. More than 80% of the area is mountainous landscape; the rest is gently rolling coastal plain and a marine zone. The Kogelberg lay at the centre of the Cape Floral Kingdom and gave the inaugural set both terrestrial and marine design subjects.

— Gold 1 · R2 1/4 oz · 24kt —

Marsh Rose · Cape Mountain Leopard · Oudebosch cabin

Three Kogelberg motifs combined: the rare Marsh Rose (Orothamnus zeyheri), the elusive Cape Mountain Leopard, and a cabin of the Oudebosch Mountain Camp.

— Gold 2 · R2 1/4 oz · 24kt —

African Black Oystercatcher · African Penguin · Cape Clawless Otter

The marine-and-coastal counterpart: the African Black Oystercatcher, the African Penguin, and the Cape Clawless Otter — three species emblematic of the Kogelberg coastline.

— Silver 1 · R2 1 oz · Ag 925 —

Elgin Valley · San & Khoi heritage

The Elgin Valley — once a wildlife haven for large herds of antelope, and home to San hunters and Khoi pastoralists. The set's cultural-historical reading.

— Silver 2 · R2 1 oz · Ag 925 —

Southern Right Whale · Abalone

The Southern Right Whale alongside the conservation of abalone — pairing a charismatic megafauna icon with a quieter conservation concern (abalone poaching is a major regional issue).

2018

Waterberg Biosphere Reserve

Series return after hiatus · Limpopo Province · World Money Fair launch

The Waterberg — pristine wilderness within the Bushveld District of Limpopo Province, an important water catchment for the arid surrounding region. Rock art and black rhino reintroduction defined the set's design subjects, balancing the biosphere's deep cultural history with its active conservation work.

— Gold 1 · R2 1/4 oz · 24kt —

Bushmen Rock Art · Hartebeest therianthrope

The Waterberg's San (Bushmen) rock art is the most recognisable form in South Africa. The coin features a hartebeest therianthrope — a figure painted with both animal and human features, characteristic of San rock-art symbolism. Reportedly very low PF70 census in early NGC slabbing.

— Gold 2 · R2 1/4 oz · 24kt —

Black Rhino mother & calf

A black rhinoceros (Diceros bicornis) mother and calf. Black rhino were reintroduced to the Waterberg in August 1990; today three founding populations are established, one in Marakele National Park (the WBR core area) and two on private land in the buffer zone.

— Silver 1 · R2 1 oz · Ag 925 · ~850 mintage

Greater Kudu

The Greater Kudu (Tragelaphus strepsiceros). Limited mintage reportedly capped near 850 per dealer listings. 38.725 mm crown size with the UNESCO privy mark.

— Silver 2 · R2 1 oz · Ag 925 · ~850 mintage

Cape Griffon

The Cape Griffon vulture — a critically declining cliff-nesting raptor of the southern African plateau. The Waterberg supports an important breeding population.

Technical specifications

All eight released coins (four per set, two sets) share the same R2 face value, proof finish, and UNESCO privy mark. Metal, weight, and diameter follow the gold-vs-silver split below.

Type Face value Metal Weight Diameter
Gold 1/4 oz R2 .9999 fine (24kt) 7.776 g 22.00 mm
Silver 1 oz crown R2 Sterling Ag 925 ~33.626 g 38.725 mm
Finish: Proof — mirror fields, frosted devices. Edge: Reeded. Privy mark: UNESCO logo. Common obverse: map of South Africa indicating the location of the relevant biosphere, with "South Africa", the year, and a compass. Mint: South African Mint, Pretoria. Distribution: SA Mint locally; PAMP SA globally.
— Companion programme · 2016 onwards —

The colour-coin sister series

The Man and the Biosphere coin range inspired a parallel colour-coin series launched at the Cape Town Flower Show in October 2016 — depicting fauna and flora from each biosphere in vibrant applied colour, with much higher mintages than the gold-and-silver MAB sets and a lower price point. Each colour-coin range pairs two R5 sterling-silver flowers and two R10 sterling-silver birds, all 1 oz crown-sized.

Released ranges include Kogelberg (2016 — blue-bearded disa, Hermanus cliff gladiolus, orange-breasted sunbird, Cape rock-jumper), Cape West Coast (2017), and Kruger to Canyons (2019 — African flame lily, impala lily, purple-crested turaco, southern yellow-billed hornbill). Mintages typically 500 – 1,500 per coin. The colour-coin series effectively extended the biosphere coverage to reserves the gold-and-silver MAB programme never reached.

Collecting the series

The series' incomplete delivery shapes its collecting profile: only two sets exist to chase, which makes complete-series assembly genuinely achievable — but each individual set's low mintage and limited distribution makes finding original boxed examples increasingly difficult.

Two-set completion is the natural target — Kogelberg 2015 + Waterberg 2018, four coins each, eight pieces total. Original presentation boxes and certificates of authenticity matter; the series was designed for presentation packaging, and unboxed examples trade at a meaningful discount. The UNESCO privy mark is integral to authentication — all coins carry it.

The 2018 Waterberg gold quarter-ounces (Bushmen Rock Art, Black Rhino) appear to have very low PF70 Ultra Cameo populations on the certified-grading censuses; dealer listings of "9 worldwide" or "21 worldwide" likely reference the top-grade NGC/PCGS census rather than total mintage, but the underlying scarcity is real. Silver crowns (Kudu, Cape Griffon) are reported at mintages near 850 worldwide — small for a series of this profile.

Cross-reserve thematic collecting is also possible: pairing a 2015 Kogelberg coin with the 2016 Kogelberg colour-coin range, or assembling all rhino-themed pieces across SA Mint commemorative programmes. The colour-coin sister series picks up some of the biospheres the MAB programme never reached and is worth considering as a budget-friendlier complement. (See the Natura Series for the SA Mint's parallel pure-gold commemorative programme.)

Planned scope
8 sets
One per SA biosphere
Realized
2 sets
Kogelberg 2015 · Waterberg 2018
Coins per set
4
2 gold · 2 silver
Silver mintage
~850
Reported · 2018 Waterberg
— Sources —
  • UNESCO — "UNESCO Man and the Biosphere Reserve Coins," release announcement (Kogelberg launch).
  • News24 — "SA mints first-ever UNESCO commemorative coins + 20 super interesting Kogelberg Biosphere facts," 2 October 2015.
  • South African Mint — "SA Mint at World Money Fair 2018" (Tumi Tsehlo statement on series reintroduction).
  • South African Mint — Product archive listings, 2019 colour coin range, Kruger to Canyons.
  • Western Cape Numismatic Society — South African Reserve Bank Government Gazette listings (Waterberg 2018, Kruger to Canyons 2019 design notices).
  • gov.za — South African Reserve Bank Act notice: "Dimension, design and compilation of 2018 Unesco Man and the Biosphere coin series: The Waterberg Biosphere Reserve."
  • Online Coin Club — entries for 2018 UNESCO Rock Art and 2018 UNESCO Rhino quarter-ounces (with SA Mint descriptive text).
  • Randburg Coin Pty Ltd — dealer listings for 2018 Waterberg gold and silver issues (mintage and grading reference).
  • Cross-references: Natura Series (parallel SA Mint commemorative gold programme), South African Mint Today, Commemoratives Hub.
  • Page derived from public sources rather than a curated v1. Mintage figures and "worldwide" census numbers reported by dealer listings; verify against SA Mint or NGC/PCGS census before publishing definitive numismatic claims.

Revision history

22 February 2026 Initial build from public sources — UNESCO, SA Mint, News24, gov.za gazette listings, dealer listings. Frames the page around the 8-part vision vs 2-set delivery; structures around the two realized issues with full coin-by-coin detail.
The South African Numismatic Library A division of Jardines Galleries · © 2026