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

Bosnia & Herzegovina, 1879, 2n Yellow, 3n Green (4-5; Michel 2I, 3I).

Brazil, 1843, 60r Black, Early Impression (2).

Brazil, 1843, 60r Black, Early Impression (2).

Brazil, 1843, 60r Black, Intermediate Impression (2a).

Bulgaria, 1879, 25c Black & Violet (3; Michel 3).

Cape Juby, 1916, 5c on 4p to 40c on 1p Surcharges, Normal & Inverted (1-6, 1a-6a).

Chile, 1854, 10c Deep Blue, Diagonal Half Used as 5c (5d).

China, 1883, 5c Yellow, Rough Perf 121/2 (9; Chan 12).

Taiwan, Formosa, 1895, 30c-100c Black Flag Republic Issue (Chan F38-F40).

China, Offices in Tibet, 1911, 3p on 1c Ocher to 4a on 20c Red Brown (1-7).

China, Treaty Ports---Chefoo, 1893, 1c Red (2; Chan LC2).

China, Treaty Ports---Chinkiang, 1894, 1c Blue (2; Chan LCH2).

China Treaty Ports---Foochow, 1895, 1/2c Blue (1; Chan LF1).

China, Treaty Ports---Kewkiang, 1894, 1/2c Black on Rose, 1/2c Red on Yellow (1-2; Chan LK1, LK2).

China, Treaty Ports---Wuhu, 1896, 40c Carmine (54; Chan LW54).

Colombia, 1859, 10c Orange Yellow (4 var).

Colombia, 1859, 20c Blue (6).

Costa Rica, 1863, 2r Scarlet (2).

Cuba, Used in Puerto Rico, 1855, 1/2p Blue Green (1; Edifil 1).

Czechoslovakia, Legion Post---Siberia, 1920, 50k Yellow Green, Perf 111/2 (2a).

Danish West Indies, 1866, 3c Rose (2; Facit 2).

Danish West Indies, HAPAG, 1875, 10c Black on Yellow and Greenish Blue.

Denmark, 1852, 2rs Blue, Thiele Printing (1; Facit 1IIv4).

Denmark, 1854, 4rs Dark Chestnut Brown (2 var; Facit 2III IIB; AFA 1 IIIe).

Egypt, 1866, 2pi Yellow, Bisected (4d; SG 5d; Nile Post D5cc).