Advertising cover for the Knights of the Golden Eagle - Philadelphia, Pennsylvania - 1893. #Stamps #Philately

Advertising cover for the Grand Hôtel Du Louvre - Paris, France - 1906. #Stamps #Philately

Canadian advertising cover for The Tisdale Iron Stable Fittings Co. - Toronto, Ontario - 1895. #Stamps #Philately

Canadian advertising cover for Vantyul & Fairbank - Petrolia, Ontario - 1889. #Stamps #Philately

Advertising cover for the Enterprise Manufacturing Co., Enterprise Meat Choppers - Philadelphia, Pennsylvania - 1894. #Stamps #Philately

Advertising cover for C. H. Garden & Co., Hats, Caps, Straw and Millinery Goods - Philadelphia, Pennsylvania - 1898. #Stamps #Philately

Advertising cover for Thompson & Odell, Music Publishers. On the back is an advertisement for Calvin Baker's Artist Violin Rosin - Boston, Massachusetts - 1892. #Stamps #Philately

Advertising cover for H. W. Burleigh, The Self Adjusting Carriage Wrench - Concord, New Hampshire - 1893. #Stamps #Philately

Advertising return cover for The Wm. Rogers Manufacturing Co. - Hartford, Connecticut - 1882. #Stamps #Philately

Advertising cover for the C. Edgar Sutphen Co., Bengal Dress Shirts - New York, New York - 1898. #Stamps #Philately

Illustrated cover for the Alpha Sigma Pi Fraternity, Norwich University - Norwich, Vermont - 1860s. #Stamps #Philately

Advertising cover for G. D. Eighmir - Poughkeepsie, New York - 1881. #Stamps #Philately

French postcard from 1910 depicting the armored cruiser Léon Gambetta, one of three Léon Gambetta-class cruisers built in the early 1900s. #Stamps #Philately

Advertising cover for D. A. Guptil, Dealer in Fine Carriages and Sleighs - Montpelier, Vermont - 1893. #Stamps #Philately

Advertising cover for The Bridgeport Wood Finishing Co. - New Milford, Connecticut - 1899. #Stamps #Philately

Advertising cover for the Committee on Improvement of Highways - Harrisburg, Pennsylvania - 1890s. #Stamps #Philately

Advertising cover for W. H. Plum - Westport, Missouri - 1895. #Stamps #Philately

Advertising cover for the Palace Hotel - Chicago, Illinois - 1902. #Stamps #Philately

Advertising cover for J. W. Doane & Co., Wholesale Dealers in Green and Dried Fruit and Fancy Groceries - Chicago, Illinois - 1850s/1860s. #Stamps #Philately

French postcard from 1912 depicting the battleship Liberté, one of four Liberté-class battleships built in the early 1900s. The Liberté sank after an explosion on board on September 25th, 1911. #Stamps #Philately