U.S.A. (1874) Linseed oil. Flax seed. Postal card (N) with printed ad on back for Raw or Boiled Linseed Oil as well as Oil Cake, and Oil Cake Meal. Hard to find!
AVAILABLE AT $30
AUSTRIA (1968) Rankweil*. Postal card (N) with advertising touting the Garden of Voralberg.
AVAILABLE AT $10