Watch List notes:

Mary, testoon, first period 1542 – 1558, type IIIa (d. 1556), small high arched crown over shield dividing MR, annulets below, stops to obverse (not in Burns), MARIA D G SCOTOR REGINA 1556, D G instead of usual DEI G (not in Burns), rev. cross potent with cross-crosslet in each angle, IN VIRTVTE TVA LIBERA ME 1556, wt. 6gms (S.5404), rare, almost very fine
*ex Hood Auctions, August 1993, purchased for £95
Burns: not as such cf fig. 786 no. 7

Estimate: 500 - 600 GBP