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.
Image Coming Soon
We're working on adding images for this item.
Thank you to our sponsors!
Go check them out!
Obverse Description
Effigy of Queen Elizabeth II
Reverse Description
Australian Koala
Source: NGC-Krause
Catalog Information
GSID:
400677
Fineness:
0.9999
Weight (gr):
155.5 gr
Weight (oz):
4.9994 oz
Precious Metal Weight:
4.9989 oz
Coin Rulers Name:
Elizabeth II
Strike Type:
Proof
Diameter:
50.5
Coin Shape:
Round
Edge:
Reeded
Variety:
Gold
Variety 2:
Koala
Coin Date:
2020
Denomination:
G$500
Designation:
PR
Mint Location:
Perth
Mintage:
50
Coinage Type:
Australia Koala Coinage
Composition:
Gold
Krause #:
KM-4018
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 2020 G$500 Gold, Koala PR DCAM (KM-4018)
Body: Referring page: http://www.greysheet.com/prices/item/australia-coinage-2020-500-dollars-gold-km-4018-proof-strike/gsid/400677 GSID: 400677 Title: 2020 G$500 Gold, Koala PR DCAM (KM-4018)
Subscribe to View
Log In
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Pricing Data Not Yet Available
We are constantly adding to our pricing database and prioritize user requests. Click below to request pricing for this item.
Request Pricing1991 P$200 Platinum, Koala PR DCAM
1991 P$200 Platinum, Koala MS
1991 G$500 Gold, Red Kangaroo PR DCAM
1991 G$500 Gold, Red Kangaroo MS
2013 G$500 Gold MS PL
2013 G$500 Gold PR DCAM
2014 G$500 Gold, Koala PR DCAM
2014 G$500 Gold, Koala MS
2014 G$500 Gold, Australian Stock Horse PR DCAM
2015 G$500 Gold, Tree PR DCAM
2015 G$500 Gold, Frosted MS
2015 G$500 Gold, Koala PR DCAM
2015 G$500 Gold, Australian Fabulous Four PR DCAM
2015 G$500 Gold, Australian Stock Horse PR DCAM
2015-P G$500 Gold, Wedge-tailed Eagle PR DCAM
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