An overprint specifically for the national exhibition at Perth will be available from one of the Post & Go machines at the show.

Royal Mail will be providing two Hytech Post & Go units at Perth 2012 . These units are A1 and A2 and had their debut at Autumn Stampex in September 2012.

One of the machines will use the unique overprint available only at Perth:

PERTH 2012

20-22 OCTOBER

The stamps used will be the Union Flag and Machin head.