Robert Siegel Galleries: The Dr. Géza Homonnay Collection of First Issues of the World on Cover, 1313, New York

Senegal, 1887, 15c on 20c Red on Green (22, 28-29; Yvert 5, 5B, 5E).

Somali Coast, 1894, 5c-5fr Overprints (1-5; Yvert 1-5).

Tahiti, 1884, 10c on 20c Red on Yellow Green (3; Yvert 5).

Togo (French), 1914, 10c on 5pf Green (154, 156; Yvert 24, 24B).

German States, Bavaria, 1849, 1kr Black (1; Michel 1Ia).

German States, Bavaria, 1849, 3kr Blue (2; Michel 2Ia).

German States, Bavaria, 1849, 6kr Brown (3; Michel 4I).

German States, Bergedorf, 1861-67, 1s Black on White (2; Michel 2).

German States, Bergedorf, 1861-67, 11/2s Black on Yellow (3; Michel 3).

German States, Brunswick, 1852, 3sgr Vermilion (3; Michel 3).

German States, Hamburg, 1859, 1s Brown (2; Michel 2).

German States, Hamburg, 1859, 2s Red (3; Michel 3).

German States, Hamburg, 1859, 2s Red (3; Michel 3).

German States, Hamburg, 1859, 3s Blue (4; Michel 4).

German States, Hamburg, 1859, 9s Yellow (7; Michel 7).

German States, Lubeck, 1859, 2s Brown (3; Michel 3).

German States, Lubeck, 1859, 21/2s Rose (4; Michel 4).

German States, Lubeck, 1859, 4s Green (5; Michel 5a).

German States, Mecklenburg Schwerin, 1856, 5s Blue (3; Michel 3).

German States, Prussia, 1850, 2sg Black on Blue (4; Michel 3).

German States, Prussia, 1866, 10sg Rose (21; Michel 20).

German States, Saxony, 1850, 3pf Brick Red (1; Michel 1a).

Denmark---Used in Schleswig Holstein, 1851, 4rs Brown (1; Michel 1).

German States, Schleswig-Holstein, 1850, 2s Rose & Pink (2; Michel 2a).

German States, Northern District, Thurn & Taxis, 1854, 1/4sgr Black on Red Brown (1; Michel 1).