Stanley Gibbons Detectamark Watermark Detector
Stanley Gibbons Detectamark
This is an optical watermark detector which refracts light through a perspex
block to show the differences in paper thickness.
Unit will also highlight paper thins and repairs.
Suitable for loose stamps only with a viewing area of 50 x 50mm.
Requires 2 x AA batteries or optional mains adaptor for the UK.
This unit is based on the Safe Signoscope T2 design but with a metal body.
SG Detectamark
| Ref | Description | Cost | Order |
|---|---|---|---|
| 2570 | SG Detectamark Unit | £ 84.95 |  |
| 2570A | SG Detectamark Mains Adaptor | £ 11.95 | |