Envelope Sizes
Envelope	Size	Single Card Size
#10	4-1/8 x 9-1/2	9-1/4 x 3-7/8
#9	3-7/8 x 8-8/7	3-5/8 x 8-5/8
6 3/4	3-5/8 x 6-1/2	3-3/8 x 6-1/4
Monarch	3-7/8 x 7-1/2	3-5/8 x 7-1/4
A2	4-3/8 x 5-3/4	4-1/4 x 5-1/2
A6	4-3/4 x 6-1/2	4-5/8 x 6-1/4
A7	5-1/4 x 7-1/4	5-1/8 x 7
A8	5-1/2 x 8-1/8	5-3/8 x 7-7/8
A10	6 x 9-1/2	5-7/8 x 9-1/4
Postcard Sizes
Minimum	3-1/2 x 5
Maximum	4-1/4 x 6