No 5 Mk 1 question

[ranger022]

Can anyone help me identify the markings on my No 5 mk 1
( ROF ) F manufactured in 12/44 i believe.
On the for end there is a number ( 923 or 823 )and what appears to be a mark next to it. In the picture it appears as a dent.
On the but, the numbed, 237, and BASF.
Greatly appreciated.

Pics too large, have to work on uploading them, may take a while

Information

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[Amatikulu]

R.O.F.(F) = Royal Ordnance Factory, Fazakerley

BASF will undoubtably be identified by Peter Laidler if he reads this,

I believe BAOR is British Army of the Rhine, so BASF could be British Army of S..... F.....