Here is a list of DECUScope's I have.

1967 v 6, n 4
1967 v 6, n 5
1968 v 7, n 1
1968 v 7, n 2
1968 v 7, n 3
1968 v 7, n 4
1968 (christmas)
1969 v 8, n 1
1969 v 8, n 2
1969 v 8, n 6
1970 v 9, n 2
1970 v 9, n 3
1970 v 9, n 4
1970 v 9, n 5
1971 v 10, n 1
1971 v 10, n 2
1971 v 10, n 4
1971 v 10, n 5
1972 v 11, n 1
1972 v 11, n 3
1972 v 11, n 4
1972 v 11, n 5
1973 v 12, n 1
1973 v 12, n 2
1973 v 12, n 3
1974 v 13, n 1
1974 v 13, n 2
1974 v 13, n 3
1974 v 13, n 4
1975 v 14, n 1
1975 v 14, n 2
1975 v 14, n 3
1976 v 15, n 1
1976 v 15, n 2
1977 v 16, n 2
1977 v 16, n 3

I have multiple copies of a few of these.