Watch List notes:

NETHERLANDS: Dutch Republic, assay receipt, 1760, 85 x 57mm, folded and embossed with the impressions of a France 1709-A louis d'or (KM-390.1) on the back of a playing card (5 of hearts), noted in ink as having a fineness of 21 karat & 7¼ grains, Choice VF, ex Charles Opitz Collection, ex Mike Powells Collection. The interpretation of the notations is tentative.

Estimate: 75-100 USD