Here is a new raw Conder I picked up for my Kempson Coventry Gates & Buildings set. DH-299 Free School (new front) this one has the rare "Mr. B" counterstamp on the reverse just above the leopard. Anyone that can tell me more about the "B" stamp, I'd love to know more. I've seen a few others with the tiny B stamped on them, likely an old collector that was making a permanent ID on his collection.