Watch List notes:

Poland, Sigismund III Vasa (1587-1632), Ducat, 3.46g, 1628, sig. iii. d:g. rex. pol+ - +m.d; lit. rvs: p.m.crowned and cuirassed bust right, crown breaking legend and dividing date, rev. +sam. liv. ne. no. sv+ got. vad. q. hri. rex+, crown dividing i-i above shield in Collar of the Golden Fleece (F.82; HCZ.1567 - R7), small marks possibly from a mount, extremely fine, very rare.
provenance
Purchased 4 May 1967, £105
Estimate: £15,000.00 - £20,000.00