Date of Issue Oct 6, 1950 Denomination CHND14,  y 100    light blue CHND15,  y 200    olive green CHND16,  y 300    purple CHND17,  y 400    greyish green CHND18,  y 500    carmine CHND19,  y 800    orange CHND20,  y 2000  light blue Size 18 x 20mm  Perforation 14 Gum No Gum Design Mr. Sun Chuanzhe Printing Process offset Printer Beijing People's Printing House Sheet 200 (20 x 10)

 

400 Yuan	CHND17a. doule-side printing
500 Yuan	CHND18a. doule-side printing
800 Yuan	CHND19a. doule-side printing

 

- The Differences between R3 and R4              Fu Shaoqing, Philately 1994.5 P23  (brief )