On #4 and #6 it's applied to the title and Santa Claus's costume; It's present on the Christmas tree of #5 and applied to the Christmas stocking held by Captain Marvel on #7, the final issue.
Information on Fawcett Comics' annual sales of Xmas Comics from 1941 to the 1949 is taken from the book "Juvenile Delinquency" (from 1950).
CIRCULATION DATA
1941 - 63,456
1942 - 67,700
1947 - 89,851
1949 - 55,994