Watch List notes:

British coins and tokens, 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.
For a model penny please see lot 182.