해외포럼에서 확인한 Contax IIa와 IIIa 모델의 시리얼넘버를 블로그에 옮겨둬본다.
Contax IIa
P, 97,001-100,000, 11/1949 to 6/1950
S, 20,001-28,000, 7/1950 to 4/1951
T, 5,001-9,000, 3/1951 to 7/1951
T, 28,001-35,000, 8/1951 to 12/1951
U, 1-5,000, 1/1952 to 5/1952
V, 15,001-20,000, 7/1952 to 8/1952
X, 1-3,000, 9/1952 to 10/1952
Y, 57,001-62,001, 11/1952 to 3/1953
A, 43,001-46,001, 4/1953 to 10/1953
A, 46,000-53,000, 11/1953 to 9/1954
B, 90,001-95,000, 10/1954 to 2/1955
F, 20,001-25,000, 3/1955 to7/1956
Q, 30,001-33,000, 7/1956 to 9/1957
R, 33,001-34,000, 11/1956 to 4/1958
L, 85,001-87,000, 4/1958 to 2/1961
Contax IIIa
T, 35,001-40,000, 3/1951 to 7/1952
V, 20,001-25,000, 7/1952 to 10/1952
Y, 52,001-57,000, 11/1952 to 3/1953
A, 53,001-63,000, 4/1953 to 10/1953
B, 95,001-100,000, 11/1953 to 9/1954
C, 1-5,000, 10/1954 to 2/1955
D, 76,001-86,000, 3/1955 to 1/1956
F, 25,001-30,000, 2/1956 to 8/1956
L, 75,001-85,000, 7/1956 to 7/1961
O, 86,001-91,000, 11/1956 to 7/1957
Q, 1 to 25, 1960
R, 34.001-38,000, 2/1961 to 8/1962

내가 가지고 있는 두 대의 Contax IIa.
50mm Sonnar가 꽂힌 칼라다이얼의 후기형은 R333XX 시리얼로 57년생으로 추정되고 21mm Biogon이 꽂힌 블랙다이얼의 전기형은 A434XX 시리얼로 53년생. ㄷㄷ