Bruce-Bruce Fenstermacher wrote:It is a B model which has the later cowl and round rear windows. That matches either a '53 or '54. Closer than that is probably impossible to tell.
The s/n 26156 shows it to be a 1954.
170 1948 18000 --- 18729
170A 1949 18730 --- 19199
170A 1950&51 19200 --- 20266
170B 1952 20267 --- 20999
25000 --- 25372
170B 1953 25373 --- 26038
170B 1954 26039 --- 26504
170B 1955 26505 --- 26995
170B 1956 26996 --- 27169