This is a ex-mint plus condition Montreal AAA Silk.  These are hard to get.

It is Red , not Dark Red. It measures about 1 3/4 by 3 1/4 inches.

 

Please use the picture of this item to judge for yourself. 

Buy things you like and you will always be happy.  

Good luck with your collection.

Sincere Thanks A.J.

MAAA