Boule Monaco Collections S.A. company was formed by Maurice BOULE, expert in postal history. In 1996 it opened offices in Paris, France. Specialized in the organization of auction sales and on offers, the firm is one of the principal actors of the philatelic market in France and Europe. Each year, they carry out an auction of prestige in Monte-Carlo. The sales are made up of a selection of letters and rare stamps concerning to the postal history of all the countries.