Watch List notes:

George VI (1936-1952), Threepence 1944, bare head left, rev. shield of St George on a Tudor rose, edge plain, 1.44g, 12h (Spink 4085; ESC 4298 [2158]), uncirculated, a semi-key date, in NGC 'Francis' holder, graded MS66 (Cert. #5878644-013).
The Roy Francis Collection of English Silver Rarities
Estimate: £40 - £60