Watch List notes:

British Coins, Victoria, model crown, 1848, struck in copper, 'Gothic' bust l., within wreath, VICTORIA QUEEN OF GREAT BRITAIN MDCCCXLVIII around rev. cruciform shields within wreath, MODEL CROWN around (KM. -; Rogers -) certified and graded by NGC as Mint State 66 Brown
Identified by NGC erroneously as KM-X24, which is a silvered and gilt copper example, this plain copper variety appears unlisted in KM and Rogers.