1950 Liberated Areas "PRC Postal Stationary" in overprinted in black with 2 vertical black bars on ROC SYS 8c green stationary card, Shansi overprint.

1950 Liberated Areas "PRC Postal Stationary" in overprinted in black with 2 vertical black bars on ROC SYS 8c green stationary card, Shansi overprint.