I. Zaragoza, ovpt. "OFICIAL."

Red, vertical overprint downwards, 18 x 3 mm long, with dot.
Imprint: "Oficina Impr. de Hacienda Mexico".

Country:	Mexico
Type:	Postage stamps
Series:	Official Stamps
Nominal:	1 ¢
Year:	1921
Size:	23 x 29 mm
Perforation:	Rouletted 14½