eee 6.910] 175.3 | U.&, MAIL Approved By “Tha Postmaster General [6.01] 152.4mm OPENING 7.50 190.5mm | opening 20.210 513. Tram] 19.01] 482,68 |r hee 18.5i0{ 469.9 | 2.60 66mm] | side holes ~ Fs] in[ 129.5mm] 5.1 129.5mm] A0in[1 on Amm | © 10.