Posted By:
DaveWHere's a link to an old post that lists the sizes of about 500 T206 cards, almost all Piedmonts.
Larger than 1.5 in width seems rare (3 out of 500), but the norm is to be above the nominal width of 1 7/16.
http://www.network54.com/Forum/153652/message/1090717955/last-1090718359/T206+sizes