The covers that I do not have are numbers in Stephen Jones book Illustrated First Day Covers Of New Zealand

1935 1B(b), 1C, 1D, 1F, 1G
1936 1BB, 1K, 1O, 1R
1937 1D, 1E( 4,6,7,9), 1G, 1I, 1JA(2), 1NA(3) 1NB, 1P(1), 1SA, 1TA, 1X, 1Z (2), 1AA, 1AB, 1AC, 1AD, 1AF, 1AG, 1AH.
1938 1EB, 1N(red), 1S, 1T(2), 1UA, 1UB,
1939 1F, 1G, 1J,
1940 1F, 1I(2
1941 1E, 1G, 1H, 1I.
1942 1E, 1G, 1H,
1943 1E(A,B), 1I, 1K, 1M, 1N, 1O, 1P(1)(2), 1Q.
1944 1DA(1), 1I(2), 1K, 1L(1))2)
1945 1FB, 1HA(B), 1HB, 1NA, 1O, 1P, 1RB, 1S.
1946 1BB, 1F, 1G, 1LA, 1M, 1P, 1Q, 1R.
1947 1E, 1I, 1JA, 1JB, 1K(2).
1948 1D(1), 1GB, 1GC, 1M, 1O, 1P, 1Q(A,) 1R.
1949 3D(A), 1M.
1950 1D, 1GB(1,2), 1J, 1K, 1L, 1M(a).
1951 1Q(B), 1R.
1952 1E, 1I, 1ZA.
1953 1D, 1FA, 1GDA, 1GF,
1954 1D
1955 OK
1956 OK
1957 OK
1958 1D(2)
1959 OK
1960 OK
1961 OK
1962 1F
1963 OK
1964 OK
1965 OK
1966 OK