1945 Kaifeng surcharge $20 on Martyrs ovpt. North China 40c, with
inverted surcharge variety (Chan 884b), MLH. Very
1945 Kaifeng surcharge $20 on Martyrs ovpt. North China 40c, with
inverted surcharge variety (Chan 884b), MLH. Very Fine.
1945年開封加蓋20元，蓋於烈士加蓋華北4角，帶加蓋倒蓋變異（陳目884b），輕貼上品。
