Home Guard Badges

[Bala]

Help needed to determine the insignia worn by AUXILIARY UNIT personnel in Pembrokshire, Carmarthenshire, Glamorganshire and Monmouthshire. In 1942 AUX Units were given Home Guard battalion numbers 201, 202 & 203

Monmouthshire is thought to be MON
and the battalion number to be 202

Were they all 202 or some 203?

The Imperial War Museum hold a photograph of a patch CC over 203 However CC was Caernarvonshire in North Wales an area that had no AUX Units.

Note: 201 Bn was Scotland and Northumberland
202 Bn covered Eastern and Western Commands
203 Bn Southern Command.

Any help appreciated