Watch List notes:

The Hardcastle Collection | PROOF 65 ULTRA CAMEO ~ [Top Pop] | British East India Company, Bombay Presidency, Proof Half-Pice, 1804 [AH1219], in gilt copper, Soho, Arms of the East India Company, rev. scales with Persian legend below, edge plain, 7h (Stevens 8.62; Pridmore 203; KM 204a), a phenomenal example, choice uncirculated, rare, in NGC holder, graded PF65 UCAM (Cert. #5878623-010) [*Single Finest*].
https://www.ngccoin.com/certlookup/5878623-010/65/
Estimate: £400 - £600