BRITISH GUIANA: Victoria, 1837-1901, bronze 4 pence pattern, 1900, KM-26var, bronze pattern for the silver 4 pence coin, unlisted in any of the major catalogs, NGC graded Specimen 63 BN, RRRR. No example has appeared at auction in recent years, per CoinArchives.
Estimate: 1,600-2,000 USD