OK, I am a total amatuer, but I did search for over an hour and have learned nothing. I bought this interesting old spon and I can't find out what these marks mean. There are no other marks.
I call them 3 dog paws, and I-don't-know and a club.
Any advice would be gratefully received.
Paul LeMay
![Image](http://i7.photobucket.com/albums/y271/plemay/silvermark.jpg)