Saint Louis directory for the years ... Keemle's directory
Rates of Postage on Letters.
6 cents for any distance not exceeding 30 miles
10 cents, if over 30 and not exceeding 80 miles
12 1/2 cents, if over 80 and not exceeding 150 miles
18 3/4 cents, if over 150 and not exceeding 400 miles
25 cents, if over 400 miles.
Double letters are charged double; treble letters, treble; and
quadruple letters, quadruple these rates.
Postage on heavier packages, in proportion.