ALFRED SIMPSON & SONS, IRON MANUFACTURER., ADELAIDE to ERIE PENNSYLVANIA
The airmail advertising cover for Alfred Simpson and Son has four single privately perfinedgreen 1½d Q.E. stamps as well as the 1 shilling Lyre Bird stamp canceled by a G.P.O. ADELAIDE/ AIR/ APR 43/ SOUTH AUST as well as a slogan SEND MONEY/ BY POSTAL NOTE/ OR MONEY ORDER. It was sent to Lovell Manufacturing Co., Erie, Penna, U.S.A. The cover shows no sign of being censored on the front