Watch List notes:

Burgos, Spain (struck for New World), copper 2 maravedis, Ferdinand-Isabel, ermines flanking crowned F-Y, mintmark oBo flanking crowned F, rare. Cal-69. 2.50 grams. Broad thin flan with full details including (Gothic) legends, somewhat contrasting dark toning, somewhat oxidized surfaces as usual, otherwise XF or so.
($250-$375)