Show Airmail Stamp Books Go on Sale M March 19 Six-cent Six airmail stamp books containing two panes of three stamps each vill 1 go go on s salve sale Je for 37 cents Mardi March 19 at post orf offices ices throughout the nation Postmaster I. I A. A Smoot was informed Friday Stamp collectors may obtain first day covers of the new booklet by sending a a. limited not more than 10 of self-addressed self envelopes to the postmaster Washington D. D C. C with cash or postal money order remittance covering cost |