There were 21 medals struck by The Medallic Art Company (MACO) in Bronze and Silver from 1961 to 1974. 2,500 bronze medals struck, each, with the exception of mission La Purisima Concepcion (500) and Mission Nuestra Senora de la Soldad (1,000) On the silver, 1,000 medals each were struck with the exception of Mission La Purisima Concepcion (250)and Mission Nuestra Senora de la Soledad (500).
The 22nd California Mission, Santa Gertrudis, never had a medal made as it was a "lost" mission and it's artifacts were found buried under a bean field while building the freeway between Ventura and Ojai in 1965-1966
Father Junipero Serra's medal was not part of the original set and was struck Philadelphia Mint 1964. It was Serra's 250 Anniversary year. There were 25ea in Platinum or proof finish, 10,000 ea of .999 silver, and in 1964 2,000ea in bronze.
El Dorado Mint also made .999 Silver Bars for the 21 missions.
