1952 (3 Nov) R4 Tiananmen $400 type A PSC (PP1) from Shanghai to Nanking, tied by Shanghai Branch 23 cds. Arrived Nanking (4 Nov). Type A
1952 (3 Nov) R4 Tiananmen $400 type A PSC (PP1) from Shanghai to Nanking, tied by Shanghai Branch 23 cds. Arrived Nanking (4 Nov). Type A is far scarcer than type B card, commerical usage is even more unusual.1952.11.3 普4天安門圖400元A型郵資片（PP1），自上海寄南京，銷上海支廿三三格點線日戳。11.4抵南京。A型片遠比B型少見，實寄更是難得。
