Here is a listing (not sure who published it) of earliest and latest collected serial numbers for FAZ
No.5 Fazakerley

Owner Maker Year Month Serial # Nose Cap ? Forend Match ? Notes
Spitzerbut Fazakerley 44 May 50xx yes - -
Tenring36 Fazakerley 44 August A2993 no - -
Jerry T Fazakerley 44 July A8xx no no -
.
.
.
HiWall Fazakerley 47 September AC720 yes - all matching
xanax4u Fazakerley 47 November Y515x yes yes -
Strangely Brown Fazakerley 47 January Z172 - - -
xanax4u Fazakerley 47 February Z520x yes yes -
Ray Newman Fazakerley 47 March Z7111 - - matching, unissued
jcjordan Fazakerley 47 May Z7202 - - -

The BSA Roster does not list months for production