This pin is in very good vintage condition with wear.  It measures approx. 2 1/8 x 1 5/8 x 3/8 inches.  It is marked BC. Questions welcome. 

I will leave positive feedback once the buyer has left positive feedback.  If for some reason you are going to leave negative or neutral feedback, please contact me so we can work out the issue.  I want you to be satisfied with the item you won.