Watch List notes:

Poland, John II Casimir (1648-68), 2-Ducats, 6.78g, 1657, io: casi: dg - rex. p&s, large crowned and draped bust right, cloak in large bow on shoulder, i-t below bust, rev. monet. avrea. - regn: pol. 1657., crowned oval shield, sch below (F.89; HCz.5891 - R6), fields brushed on obverse and marks on reverse at 3 and 9 o'clock where mount removed, otherwise good very fine, very rare.
provenance
Coin Galleries New York, 9-10 November 1962, lot 354, $220
Estimate: £6,000.00 - £8,000.00