Whitman Expo
Following a thrilling multi-day showcase, Stack's Bowers and Ponterio is pleased to report the spectacular results of their October 2026 Hong Kong (SAR) Showcase Auction, which concluded on October 26, 2026.
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Obverse Description
Head with tiara right
Reverse Description
Duckbill Platypus
Source: NGC-Krause
Catalog Information
GSID:
400804
Designer:
Ian Rank-Broadley, Stuart Devlin
Obverse Designer:
Ian Rank-Broadley
Reverse Designer:
Stuart Devlin
Weight (gr):
11.3 gr
Weight (oz):
0.3633 oz
Coin Rulers Name:
Elizabeth II
Strike Type:
Proof
Diameter:
28.65
Coin Shape:
Round
Edge:
Reeded
Variety:
Duckbill Platypus
Coin Date:
2000
Denomination:
20c
Designation:
PR
Mintage:
64,000
Coinage Type:
Australia Decimal Coinage
Composition:
Copper-Nickel
Krause #:
KM-403
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Subject: I would like to contribute catalog info to CDN for 2000 20c Duckbill Platypus PR (KM-403)
Body: Referring page: http://www.greysheet.com/prices/item/australia-coinage-2000-20-cents-copper-nickel-km-403-proof-strike/gsid/400804 GSID: 400804 Title: 2000 20c Duckbill Platypus PR (KM-403)
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Request Pricing1966-(c) 20c Duckbill Platypus PR
1966-(L) 20c Duckbill Platypus PR
1969 20c Duckbill Platypus PR
1970 20c Duckbill Platypus PR
1971 20c Duckbill Platypus PR
1972 20c Duckbill Platypus PR
1973 20c Duckbill Platypus PR
1974 20c Duckbill Platypus PR
1975 20c Duckbill Platypus PR
1976 20c Duckbill Platypus PR
1977 20c Duckbill Platypus PR
1978 20c Duckbill Platypus PR
1979 20c Duckbill Platypus PR
1980 20c Duckbill Platypus PR
1981 20c Duckbill Platypus PR
Greysheet News
Stack's Bowers and Ponterio's October 2026 Hong Kong (SAR) Auction Realizes Nearly $32 Million, Highlighted by a $4.75 Million Kwan Ping Trade Coinage Pattern
11/3/2026
Weekly World Mint Coinage: October 29, 2026
New coins from Australia, China, and the Netherlands.
10/29/2026
Weekly World Mint Coinage: October 22, 2026
New coins from the Falkland Islands, Gibraltar, and Malta.
10/22/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026