Monacophil is the leading show in international philately, conceived under the patronage of His Serene Highness Prince Rainier III, as a joint venture between the Office des Timbres of the Principality of Monaco (OETP), the Musee des Timbres et Monnaies, and the Club de Monte-Carlo, designed to bring together the biggest names in world philately.

​

The show first came into being under the supervision of Alexander D. Kroo, who in 1997, held a philatelic exhibition of "100 of the World's Rarest Stamps and Philatelic Documents". This pioneering exhibition was intended to celebrate both the 60th anniversary of the founding of the OETP, and seven centuries of the Grimaldi Dynasty in Monaco.