½r blue 'San Miguel Volcano' issue a superb side marginal block of four with part marginal inscription used with two strikes of boxed 'FRANCO' cancel in black. A rare used multiple. (SG 1)
½r blue 'San Miguel Volcano' issue a superb side marginal block of four with part marginal inscription used with two strikes of boxed 'FRANCO' cancel in black. A rare used multiple. (SG 1)