Lot
1416 
1938, 25¢ Presidential, used with 15¢ Presidential (820), both tied by "Pago Pago, Samoa, Sep 14, 1944" duplex on preprinted return address envelope to New York N.Y. at the 40¢ rate, blue "Passed by Censor, American Samoa" handstamp and censor sealing tape at left, Very Fine and rare unpublished 40¢ rate. Scott No. 829 Estimate $300 - 400.
Officially air mail service did not start until 1956, but some limited service was available as shown here.