Post Card is the debut album by Mary Hopkin. It was produced by Paul McCartney and released by Apple Records in February 1969 in the UK and in March 1969 in the US. It reached number 3 in the UK and number 28 in the US. It also reached number 24 in Canada. The original US and Canadian versions differed from the UK version by including the hit single "Those Were the Days" instead of a cover of "Someone to Watch Over Me".