U.S.A. (1950) Laxatives. Antacids. Blue meter cancellation on cover Pitney Bowes No 107995: "Phillips Milk of Magnesia, the ideal laxative -- antacid."
$15
$20
19195
EMA
U.S.A. (1954) Headache remedy. Red meter cancellation on piece Pitney Bowes No 300206: "Bromo-seltzer for headache."