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Cat (ret.)Long before I paid much attention to the ACC, I thought the 1915/16 Standard Biscuit (D350-1) was simply a separate back of the M101-5. I believe it has the exact same checklist.
What is the common thinking in terms of its date of print cycle? Was it before the M101-5? After the M101-5 but before the M101-4? Why was it given a seaparate ACC number?