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

Syria---Arab Kingdom, 1919-20, 20p Ultramarine (28).

Thailand, 1883, 1sa Ocher (5a).

Tibet, 1912, 1/8t-1t First Issue (1-5).

Tibet, 1912, 1/8t Green, 1/3t Blue, 1/2t Violet (1-3).

Tibet, 1920, 1/6t Green, Shiny Enamel Paint (1a).

Transcaucasian Federated Republics, 1923, 1r Pale Brown, Brown & Red Orange, Imperforate (8; Michel 7).

United States, 1847, 5c Red Brown (1).

United States, 1847, 5c Red Brown (1).

United States, 1847, 10c Black (2).

United States, 1919, 24c-60c Offices in China (K11-K14).

United States, 1919, $1.00 on 50c Offices in China (K15).

United States, 1842, (Greig's) City Despatch Post, New York N.Y., 3c Black on Grayish (40L1).

United States, 1842, U.S. City Despatch Post, New York N.Y., 3c Black on Green Glazed (6LB5d).

Canal Zone, 1904, 2c Rose (1).

Confederate States, 1861, 5c Green, Stone 1 (1).

Guam, 1899, 1c Deep Green, 5c Blue (1, 5).

Guam, 1899, 1c Deep Green, 2c Red, 5c Blue (1, 2, 5).

Uruguay, 1856, 60c Deep Blue (1a).

Venezuela, 1859, 1r Blue, Fine Impression (2).

Venezuela, 1859, 2r Red, Fine Impression, Half Used as 1r (3b).

Venezuela, Port of Carupano, 1903, 50c Blue on Rose (10).

Western Ukraine, 1918, 5sot on 15h Dull Red (5; Michel 1).

Yugoslavia, Bosnia & Herzegovina, 1918, 5h Green, 10h Magenta, Semi-Postal (1LB3-1LB4; Michel A19-A20).