Watch List notes:

Netherlands, Holland, AR Ducaton, 1673, knight on horseback right, brandishing sword, crowned shield below, rev. crowned shield supported by lions, 32.24g (KM 51; Dav. 4930), wreck find, cleaned, some horn silver, about very fine.
Provenance:
Recovered from the Dutch East Indiaman "Meresteijn", which ran aground off the coast of South Africa in 1702.
Certificate from the finders included
Estimate: £40 - £50