1937, Caceres, 1pts. grey, 4pts. deep carmine and 10pts. brown, not issued, complete set in blocks of four, unmounted mint (both top stamps 4pts. previously hinged), certificate Graus. ÷ 1937, Caceres, no expendidos, 1pts., 4pts. y 10pts., bloque de cuatro. Muy raros. Cert. Graus (Image)