Watch List notes:

A COLLECTION OF DUTCH JETONS. BRITISH INTEREST. Mary, The Alliance with Spain and Assistance in the Low Countries, Copper Jeton, 1557, crow over English rose and arrows of Castille and bow of Flanders, rev crown over three armorial shields within Golden Fleece, CONCORDES SERVAT AMICITIA, 28mm (MI 85/48; Dugn 2148; vL I, 14). Very fine and rare.
MI believes these were struck for use in the Exchequer in Flanders.

Estimate: £150-200