What's interesting is that this 1945 Long Branch is only the second serial number in 1945. Right there at the date change. Not that it means anything, just that it's a neat data point.

1944 84L1526 1*
1945 84L6113 1*
1945 84L6591 1* Bob Farris collection. No8 Mk1/3 .308 conversion. Not marked. Starting bid 4k. 2/17/22
1945 84L6823 1* MKIII
1945 84L9304 1/3 FLIP