Lot - Philately interest - Boxed 'The Safe Signoscope' Watermark Detector.
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SAFE 9893 Watermark Tester, Signoscope T3 including Powerbank 9894, Watermark tester with 3 dimmable LEDs and 8 different colours - makes watermark differences visible (9893 9894) : Amazon.se: Office Products
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Safe Watermerk onderzoeker Signoscope type T.3 - Stamps 4 Everyone
Signoscope T3 Powerbank #9894
Replacement Glass Block for Signoscope T1 | SAFE Collecting Supplies
Signoscope Watermark Detector T3 The Portable Unit #9893
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SAFE Signoscope Pro Watermark Detector for Stamps
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Box of accessories comprising Signoscope with mains adapter, small Tasco 30x microscope & three portable UV