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
Effigy of Queen Elizabeth II
Catalog Information
GSID:
403557
Designer:
Jody Clark
Obverse Designer:
Jody Clark
Obverse Lettering:
ELIZABETH II, 50 DOLLARS, AUSTRALIA
Fineness:
0.9995
Weight (gr):
15.5 gr
Weight (oz):
0.5 oz
Precious Metal Weight:
0.5 oz
Coin Rulers Name:
Elizabeth II
Strike Type:
Proof
Coin Shape:
Round
Edge:
Reeded
Variety:
1/2oz Platinum
Variety 2:
Koala
Coin Date:
1998-P
Denomination:
P$50
Designation:
PR
Mint Location:
Perth
Mint Mark:
P
Coinage Type:
Australia Koala Coinage
Coinage Years:
1988-2013
Composition:
Platinum
PCGS #:
550791
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Subject: I would like to contribute catalog info to CDN for 1998-P P$50 1/2oz Platinum, Koala PR DCAM
Body: Referring page: http://www.greysheet.com/prices/item/1998-australia-50-dollars-half-ounce-platinum-bullion-proof-strike-koala/gsid/403557 GSID: 403557 Title: 1998-P P$50 1/2oz Platinum, Koala PR DCAM
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Coin Value History
1998-P P$50 1/2oz Platinum, Koala PR DCAM
Value By Grade
1998-P P$50 1/2oz Platinum, Koala PR DCAM
CPG (retail) values
Currency
Grade Range
Sort by
Pricing
Kangaroo-Nugget G$50 1/2oz Gold, 1986-2012 PR DCAM [Type]
Worth: $2,256 – $2,469
Koala P$50 1/2oz Platinum, 1988-2013 PR DCAM [Type]
Worth: $867 – $974
1986-P G$50 1/2oz Gold, Nugget PR DCAM
Worth: $2,256 – $2,469
1987-P G$50 1/2oz Gold, Nugget, Bobby Dazzler 1899 PR DCAM
Worth: $2,256 – $2,469
1988-P G$50 1/2oz Gold, Nugget PR DCAM
Worth: $2,256 – $2,469
1988-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
1989-P G$50 1/2oz Gold, Red Kangaroo PR DCAM
Worth: $2,256 – $2,469
1989-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
1989-P P$50 1/2oz Platinum, Koala and Cub PR DCAM
Worth: $867 – $974
1990-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
1991-P S$50 10oz Silver, Kookaburra PR DCAM
Worth: $575 – $781
1991-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
1992-P G$50 1/2oz Gold, Nailtail Wallaby PR DCAM
Worth: $2,256 – $2,469
1992-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
1995-P P$50 1/2oz Platinum, Koala PR DCAM
Worth: $867 – $974
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