20c ultramarine 'San Martin' TYPOGRAPHED issue with 'M.I.' overprint (Ministry of Interior) with serifs, a fine mint marginal block of four with illustrated sheet edge coupons attached. (SG OD53Da)
20c ultramarine 'San Martin' TYPOGRAPHED issue with 'M.I.' overprint (Ministry of Interior) with serifs, a fine mint marginal block of four with illustrated sheet edge coupons attached. (SG OD53Da)