1 Duit Arms with dots, silver, piedfort at 2.5-3 times weight

Utrecht's silver piedfort duits occupy a peculiar administrative niche — almost certainly struck as presentation or test pieces rather than for any intended circulation. The piedfort format, running at roughly two-and-a-half to three times normal striking weight, was a well-established European convention for producing showpieces destined for treasury inspection, official gifts, or die verification. Utrecht exercised independent municipal minting rights within the Dutch Republic, and its civic authorities occasionally commissioned such heavy strikes to document current coinage practice.

The 1657 date places this piece mid-Republic, well within Utrecht's active period of asserting local monetary prerogatives against provincial standardization pressure from Holland.