1892 Republic of San Marino ordinary mail stamp type coat of arms 10c. ultramarine (no. 3) overprinted new value C.mi 5, digit 5 very large and eight dots instead of thick line. 1 value cancelled, perfect of exceptional centering Bolaffi historical certificate and Dr. Colla certificate the finest known. Sassone catalog no. 8Ax, Euro 26400.00.