ARGENTINA (1902) Gas. Electricity. Postal card (O) with printed announcement on back advertising gas and electricity at reduced prices.
AVAILABLE AT $40
U.S.A. (1940) Can of motor oil*. Man putting oil* in automobile*. One cent postal card (N) with advertising. "Alemite Motor Oil."
AVAILABLE AT $15
U.S.A. (1934) Gas range*. Postal card (O) with advertisement on back for Moderately Priced Gas Ranges. Nice!
AVAILABLE AT $20
U.S.A. (1917) Barrels of oil. 2c postal stationery envelope with illustrated ad on reverse for Underhay Oil, Boston, Mass.
AVAILABLE AT $25