2 'cudas made on same day

Here's a link to a fender tag decoding page:
http://www.earlycuda.org/tech/tag.htm

Here's another one:
http://www.1962to1965mopar.ornocar.org/ml-osterling65fendertag.html

Note: I noticed a discrepancy on the engine size code. One page says that a "31" is a 273 2 bbl and the other page says that "31" is for a 273 4bbl. Other than that they look pretty much the same.