3d Rounded Corners

what value would my uncles coronation cup be?

when my uncle died he left me a a few items one of which was his coronation cup -its cream colored. On the front the cup at the top on a strip it says JUNE 2 (a line with two dots above it) 1953. under that it has a 3d queens face with leaves with seeds that go round it tied in a bow at the bottom. On the back of the cup on the top strip it says coronation. under that it has a big square with a crown and E (two small lines) R under it with 4 squares in the corners of the big square with flowers in them on the bottom of the cup it says england and KSP. please if anyone could help value this i would be greatfull. thanks sophie

It is only worth what anyone is willing to pay for it.

PALERMO ROUNDED CORNERS