1899, Victoria Empress, Copper 1/2 Pice, Proof Restrike, Calcutta Mint, A/I, first letter 'I' in VICTORIA looks like inverted numeral '1', (Unlisted in PR, GK & SW), proof, graded & slabbed by NGC as PF 63 RD, Extremely Rare.
Note: This coin is of the second-highest grade known in the NGC population.