Great Britain 1817 shilling
This specimen was lot 4836 in Goldberg sale 69 (Los Angeles, May, 2012), where it sold for $437. The catalog description  noted, "Great Britain. Shilling, 1817. George III. Lovely bluish green and gold iridescent toning. NGC graded MS-66." The type was struck 1816-20 and features the bust of George III, by then subject to the regency of his son the Prince of Wales.
Recorded mintage: 23,031,000 plus a few proofs (highest mintage for any shilling in the nineteenth century).
Specification: 5.65 g, .925 fine silver, .168 troy oz.
Catalog reference: S.3790; ESC-1232; KM-666.
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
- Bressett, Kenneth E., A Guide Book of English Coins, Nineteenth and Twentieth Centuries, 2nd Ed., Racine, WI: Whitman Publishing, 1962.
- Lobel, Richard, Mark Davidson, Allan Hailstone and Eleni Calligas, Coincraft's Standard Catalogue of English and UK Coins, 1066 to Date, London: Coincraft, 1995.
- Rayner, P. Alan, and Maurice Bull, English Silver Coinage from 1649, 6th Ed., London: Spink & Son, 2015.
- Skingley, Philip, ed., Standard Catalogue of British Coins: Coins of England & the United Kingdom, 46th edition, London: Spink & Son, 2011.
- Goldberg, Ira, Larry Goldberg, Stephen Harvey and Paul Rynearson, Goldberg sale 69: the Pre-Long Beach Auction, Ancient and World Coins, Los Angeles: Goldberg Coins and Collectibles, 2012.