Robert A. Siegel Auction House is one of the most renowned auctioneers specializing in rare stamps and postal history. Founded in 1930, the firm has built a reputation for offering exceptional quality items in the philatelic market. They host regular auctions that attract collectors and investors from around the globe. Their expertise in appraising and selling stamps has made them a trusted authority in the field. The auction house also provides valuable resources and insights for both novice and experienced philatelists.
Here are some of the interesting lots that will be presented at the upcoming auction: 
Ceres, 1849, 1 fr, vermillion on yellowish stamp. An unused example, showcases radiant color on bright paper. Very fine, rarely encountered. This stamp issue is named after the French stamp dealer Ernest Verville, who purchased an ungummed sheet in 1895 from the printer Anatole A. Hulot. Estimated price: 7,500 USD
Ceres, 1849, 1 fr, France, dark red vermilion stamp. Exceptional depth of color, a bold impression, and a beautifully struck grid cancel. Recognized as an iconic classic French rarity. Examples are rarely found in any condition. Estimated price: 5,000 USD
Ceres, 1849, 1 fr, France, dark carmine on yellowish stamp. A hinged original gum, outstanding deep rich color, and a bold impression. Handsome, very fine and original example. Estimated price: 4,000 USD
Ceres, 1849, 1 fr, France, yellow green on greenish stamp. Slightly disturbed original gum, strong color. A very fine and original example, rarely found. Estimated price: 4,000 USD
Louis Pasteur, France, 1928, 10fr on 1.50fr, Île de France, Air Post stamp. Mint condition, bold color on bright paper. Very fine, not often found in this condition. Estimated price: 4,000 USD
