Sherlock Watermark Detector by Lighthouse

Helpful - Discover the secrets of your stamps! With the watermark checker SHERLOCK you can make every hidden detail of your brands visible Useful - The stamp checker facilitates the fast, harmless examination of any postmark for watermarks, paper irregularities, quality defects or repairs Harmless - Checking is done completely without chemicals and without risk to your brands, so as not to cause damage Very easy – the application is very simple: insert the stamp, turn on the light and you will see the secrets of your brand in every detail Leuchtturm - Makes collecting fun! Leuchtturm produces high-quality collectible accessories for coins, stamps and other collectibles for both beginners and advanced collectors