Billon (3/4 alloy), 21.6 mm diameter, weight 1.85 gram.  + MARIA· D· G· R· SCOTORVM· Crowned thistle, M R at sides.  Rv. OPPIDVM EDINBVRGI Voided saltire cross through crown, a cinquefoil each side.  S.5433.  Legend weak, some hard green patina, otherwise Good Fine and better for the issue

Ex David Rogers collection.