Slingshot
Bronze Member
- Apr 3, 2004
- 1,074
- 1,204
- Detector(s) used
- Whites CM2 BFO, Harbor Freight 9 function, BH Pioneer 202, Fisher F22
- Primary Interest:
- All Treasure Hunting
Here is a free perforation gauge you can print out if you have Adobe Acrobat, and then glue to a piece of cardboard that will measure the perforations on stamps for you.
http://www.geocities.com/dakshina_kan_pa/download/perf.htm
http://www.geocities.com/dakshina_kan_pa/download/perf.htm
