The tool you need to measure perforations in your stamps and much more.
You will find many stamps look identical, but its the perforation, image size, and/or girll mark size that identify exactly what stamp you have. The tools below are perfect for just that. Don't start grading or selling your collection without one.
Uni-Safe Perf Gauge
Scott Multi-Gauge
The Scott / Linns Multi-Gauge is a perforation gauge, cancellation gauge, zero-center ruler and millimeter ruler in one user-friendly instrument. It is also great for measuring multiples and stamps on cover! This gauge is a clear plastic film.
This Uni-Safe Perf Gauge is perfect
for measuring perforation, even on envelopes. Made of pressed alumimum.
$2.25
$6.99
