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Watermark detector

Item number: 303733

Tray made from black plastic, 3 x 2" (75 x 50 mm).

Item in stock

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TLS1.2, high level encryption (AES-128, 128 Bit)

Product description

How to use: place the stamp with the obverse facing down in the tray. Sprinkle the reverse with chemically cleaned benzine. The dark background will allow you to see the watermark on the light reverse of the stamp.
Please note: Do not replace stamps in your album until they are completely dry.