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£100 Gold Bullion, 1 Ounce, Proof gb

2026 £100 Gold Bullion, 1 Ounce, Proof Coins

Greysheet & Red Book® PRICE GUIDE

The Greysheet Catalog (GSID) of the £100 Gold Bullion, 1 Ounce, Proof series of Great Britain in the World Coins contains 2 distinct entries with CPG® values between $3,996.49 and $4,146.53.

Pure 0.0999 gold bullion featuring iconic designs.
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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
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

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.

Weekly World Mint Coinage: October 29, 2026
Weekly World Mint Coinage: October 29, 2026

New coins from Australia, China, and the Netherlands.

Weekly World Mint Coinage: October 22, 2026
Weekly World Mint Coinage: October 22, 2026

New coins from the Falkland Islands, Gibraltar, and Malta.

Events

Heritage Auctions: US Currency Tuesday Select Auction
Heritage Auctions: US Currency Tuesday Select Auction Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
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
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session Location: Heritage Auctions
Tuesday, September 1, 2026