22 October 2001 - 1st class Scotland
The Centenary of the Submarine Service was marked by a prestige stamp book containing commemorative stamps, a pane flags, and a pane of Scotland country stamps.
The last pane contains 4 x 1st class and 4 x 'E' rate stamps without white borders. The book is printed by the House of Questa in gravure.
The pane is SG S95a.