Kwangsi 7 variety CSS 1478m CNC surcharge shifter 50% higher resulting in 40,000 at top (found in Nanking post office; very few known), Wm. E. Jones collection

Kwangsi 7 variety CSS 1478m CNC surcharge shifter 50% higher resulting in 40,000 at top (found in Nanking post office; very few known), Wm. E. Jones collection