G-date with No suffix
The K-dates started with #1 and ran up to around 1700A. I think #4 is the lowest known. The first G-date that I know of was 933a, but Tom said he had one in the 700a range. The K-dates are mixed in from the 700a to the 1700a range. There is no such thing as a G-date in the No Suffix block that I have ever heard of, until now, as that would date them before a lot of the K-dates. I had K-date 357a and have 460a, both with B/90 S/91 proofs. If you have a G-date with no suffix it Must have these proofs -- B/90 S/91 to even be remotely correct. What acceptance marks does your guns have? I'd look those G-dates over really good, as anything is possible, but these do not fit properly into the time frame of things.
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