This page contains postmarks from all the surveys.

Image	Classification	Dimensions
2011
No postmarks received yet
2010
	2-1(n+) (USS) Straight-line date superimposed on 2-1 dial.	32 x 34
	9-1(n+) (USS)	29
2009
(No postmarks received)
2008
(No postmarks received)
2007
(No postmarks received)
2006
(No postmarks received)
2005
(No postmarks received)
2004
	2-1(n+) (USS)	32 x 34
	9-1(n+) (USS)	28 x 29

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