11 Measuring devices in one!
- Specialty Perforation Gauge, Bureau Issues
- Standard Analog Perforation Gauge
- Grill Pattern Gauge
- Cancellation Diameter Gauge
- Liberty Issues of 1954
- Parallel Line Millimeter Gauge
- Go-NoGo Design Size Millimeter Gauge
- Go-NoGo Rotary/Flat Plate Press Gauge
- Go-NoGo Schermack Type III Gauge
- Standard 240 mm Scale
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