sentences:  "Merry Christmas" was also issued as a 45 rpm box set in 1950, catalogue Decca 9-65.It had the same basic cover with a new yellow background and the same four singles as the 78 rpm album A-550, and the individual records had the same catalog numbers, in this case preceded by the "9-" prefix.In 1952, the 45rpm box was discontinued, replaced by a 2-EP set, catalogue Decca ED 547.