This page contains postmarks from all the surveys.

Image	Classification	Dimensions
2009
(No postmarks received)
2008
(No postmarks received)
2007
(No postmarks received)
2006
(No postmarks received)
2005
	2-1(n+) (USN,USS)	32 x 33
	9-1(n+) (USN,USS)	30 x 29
2004
	2-1(n+) (USN,USS)	32 x 33
	9-1(n+) (USN,USS)	30 x 29

Cancel dial dimensions are given in millimeters. If not circular, the first dimension is horizontal and the second dimension is vertical.