22 March 2011 - specific date because of change of cover detail.
Security Definitive stamps with U-shaped cuts and iridescent text.
4x 2nd class Large booklet - first issue with year code MA11 and source code MFIL
Printed by Walsall Security Printers
printer's name imprint removed, and FSC logo added
and 5mm edge strip
SG catalogue number RA2b
Both cylinder, and non-cylinder (W1) books available.