GERMANY (1942) Owl. Violet circular handstamp of German prisoner of war camp on card to Serbia.
AVAILABLE AT $20
GERMANY (1955) Owl. Illustrated roller cancel on postcard. "Besucht das Deutsche Museum: Munchen".
AVAILABLE AT $10
U.S.A. (1974) Owl. Letter to Germany with ship's cancel and logo of USS Horne (battle cruiser).
AVAILABLE AT $15