|Subject:||RE: Re: frame numbers||Date:||Wed Aug 1 18:36:29 2012|
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Just curious, seems like this Letter/Number system is flawed.
What would due the difference from a frame made in January 51' (A1) from a frame made in January 61' (A1)? 52'/62'...Etc
look at all the other changes that are documented from year to year; that would give you more info if you were looking at a frame