Before determining the value of stamps it should be mentioned that old ones are more expensive that the newer items. Also the price of a stamp depends on the .
Wondering what your old U.S. stamps are worth? The Hobbizine United States Stamp Value Guide provides market prices for stamps in both mint and used .
FREE US stamps prices and US stamp values to 1957. *** BASED ON REAL WORLD RESEARCHED and UP-TO-DATE PRICES – COMPLETE GUIDE ***.
Figuring out how to appropriately adjust prices on individual rare stamps is based on. I use old stamps back into the 1930s as postage to mail envelopes.