SAAR (1921) Signal bridge, Saarbrucken*. Imperforate proof pair with overprint. Scott No 89.
AVAILABLE AT $120
SAAR (1922) Old bridge at Saarbrucken*. Die proof in issued colors. Signed HOFFMANN. Scott No 101, Yvert No 85. Full gum.
AVAILABLE AT $325
FRENCH WEST AFRICA (1956) Bridge over Milo River*. Sepia printer's proof. FIDES issue for Guinea. Scott No 66, Yvert No 55.
AVAILABLE AT $275
CHILE (1958) Bridge on Valdivia river*. Sailboat*. Carlos Anwandter*. Sunken die proof (S/S). Scott No C213a. Founding of German school
AVAILABLE AT $30
AUSTRIA (1974) Inn Bridge, Alt Finstermunz*. Black proof. Scott No 961, Yvert No 1270.
AVAILABLE AT $20
LIBERIA (1977) Mano river bridge. Imperforate proof mounted on Format International Security Printers card. Scott No 750, Yvert No 749.
AVAILABLE AT $60
AUSTRIA (1980) Old & Modern bridges*. Black proof. Scott No 1163, Yvert No 1483. 11th Congress International Association for Bridge and Structural Engineering.
AVAILABLE AT $20
AUSTRIA (1985) Hundsau brook aqueduct*. Black proof. Scott No 1332, Yvert No 1662.
AVAILABLE AT $15
AUSTRIA (2018) Schemerl (Lion) bridge - Vienna. Black print.
AVAILABLE AT $12
AUSTRIA (2015) Rose bridge of Tulin*. Black print.
AVAILABLE AT $15