Martinez was awarded with "Paul VI Centre Art Prize" by the Sanctuary of Fátima in 1990 where his works are the part of the permanent collections for public display. Later in 1990 and 1991, his works were exhibited in the solo exhibitions entitled "Altarpieces" at Galeria Monumental, Lisbon and Módulo Centro Difusor de Arte, Porto respectively. Between 1992 and 1998, Martinez's paintings were exhibited in various solo and group exhibitions around Europe including at Guimaraes, Lisbon, Rouen, Sintra, Haute-Vienne and Saint-Malo.