31 July 2014 - Booklet of 4 x 1st class Large with year code MA14 and source code MFIL
Printed by Walsall Security Printers
A new booklet was issued on 31 July 2014 with changed
telephone numbers on reverse 03457 740 740 and 03456 000 606
This was the first appearance of the 2014 code on this booklet stamp.
SG GB Concise catalogue - not yet allocated, may be number RB4a