U.S.A. (1952) Big-eyed owl*. Red meter cancel on envelope, P.B. No 167985: "Be WISE protect your EYES!"
$10
U.S.A. (1953) Owl reading book*. Red meter cancel on fragment, P.B. No 321589: "Buy Your New Card on Time Payments thru Michigan Bank."
$10
U.S.A. (1955) Owl. Postal card with circular cancel of Owls Head, Maine.
$10
U.S.A. (1955) Cute owl*. Violet meter cancel on fragment, P.B. No 55894: "WHO, What, Where" Use the Yellow Pages."
$10
GERMANY (1960) Owl pointing down*. Illustrated cancel on envelope: "Briefe an Postfacher nie ohne Nummer."
$10
GERMANY (1960) Owl pointing right*. Illustrated cancel on envelope: "Hat er ein Postfach, dann schreib an sein Postfach!"
$10
U.S.A. (1960) Owl. Red meter cancel on fragment, P.B. No. 317208, "Be Wise - Choose GMAC Thrift Guard Plan."
$10
RUSSIA (1961) White owl*. 4 kop entire with corner illustration.
$25
GERMANY (BERLIN) (1965) Three owls in a row*. Red meter cancel on piece - Wilhelm Dreusicke & Co.
$15
GERMANY (1965) Owl*. Hat*. Cane*. Unaddresssed FDC for Matthias Claudius issue. Scott No 917.
$10
GERMANY (1978) Owl with bowtie bowing with tophat*. Illustrated cancel on postcard: "UELZEN - unschlagbare Ratselstadt."
$10
NEW CALEDONIA (1983) Barn owl. Osprey. Set of 2 imperforates. Birds of prey. Scott Nos 493-4, Yvert Nos 479-80.
$15
ROMANIA (1986) Eagle owl (Bubo bubo)*. 30 bani postal entire with corner illustration and illustrated cancel.
$10
RUSSIA (1990) Owls*. Set of 3 maximum cards with thematic cancels. Scott Nos 5871-3.
$15
CISKEI (1991) Owls*. Set of 4 maximum cards with thematic cancels. Scott Nos 163-6.
$20
NETHERLANDS (1993) Owl winking*. Red meter cancelation on envelope - "Science Without F(r)iction."
$10
NETHERLANDS (1994) Owl wings outspread*. Red meter cancelation on envelope - "met 't oog op kwaliteit - ERGRA."
$10
FINLAND (1995) Owls sitting on log*. Postage paid postal card with color photo for Finlandia 1995 Exhibition.
$10
VIETNAM (1995) Barn owl*. Imperforate S/S. Scott No 2606.
$5
ROMANIA (1998) Barn owl*. Illustrated entire (O) advertising SUCEAVA philatelic exhibition.
$10