Great Britain, silver proof crown (25 New Pence), 1977 and Isle of Man, silver proof crown, 1977, each weigh 28.28g containing .925 silver, ASW 52.3g (1.68oz),proof FDC with toning/frosting, with original packaging, the Isle of Man crown with certificate of issue (2).
Estimate: $300.00 - $600.00