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Noting the opportunity to increase profit, publishers encouraged the collecting of postcards through competitions. Numerous of these were sponsored by the firm of Raphael Tuck. The Tuck company held its first competition in 1900. The competition offered a prize of 1,000 pounds for the largest collection of Tuck postcards sent through the mail by February 25, 1902. The winning entrant owned a collection of more than 20,000 postcards. 13 Similar competitions were held in the following years. Tuck also began to publish special editions of postcards in 1903. The production of these special editions had previously been limited to cards that commemorated outstanding events such as the visit of the Russian Czar to Toulon, France, in 1893, or another World's Fair, the Paris Exhibition of 1900. The special editions were sold in sets, presented in special portfolios, and produced in limited numbers. Although postcards could be obtained by a broad socio-economic audience, this mirrored the production of limited editions of prints for the upper-class art world.