30 March 2010 - Europe Airmail 20g booklet
Booklet of 4 stamps, and 4 airmail labels, printed by Walsall SP, with cylinder numbers W!(p) - W1 - W! - W1 as shown.
SG Catalogue number MI3
Available with cylinder numbers or plain.
Also available a number of cylinder booklets with phosphor bands slightly inset at right. (The bands are clear of the perforations but not the elliptical perf.)