Marriage of the Duke of York and Princess Frederica of Prussia, 1791, a copper medal by F. Loos Jr, conjoined busts left, rev. Hymen standing facing, holding garland linking two shields, 46mm (BHM 348 [unlisted in copper]; E 843 [unlisted in copper]). Collector’s number in obverse field and traces of cleaning, otherwise extremely fine, rare £80-£100