West-Friesland (het Gewest 1581-1795) - Enkhuizen - atelier Dirk Bosch - Zilveren Dukaat 1678 plain edge (CNM 2.15.2 / HPM Wf 78 / Delm. 972 /R1) struck with specially engraved dies by Chr. Adolphi at the private mint Dirk Bosch Enkhuizen - a.VF - rare - ex-Berkman - collectie Coenen