Larry C. How many first class stamps did they sell or how much money for first class postage did they collect? From either of those and the 7:2 ratio, you can then derive the number of postcard stamps and from that the total amount collected. Report 5d

Larry C.

How many first class stamps did they sell or how much money for first class postage did they collect? From either of those and the 7:2 ratio, you can then derive the number of postcard stamps and from that the total amount collected.5d