Smooth Bottom
These trays are designed for watermark testing.  Place your stamp inside the tray, with the back facing up.  Placing a few drops of specialty watermark fluid such as Clarity, will let you know instantly if a watermark is present on your stamps.
Search Website
Watermark Tray
Philatelic Album Pages & Supplies
US Album Pages | Canada Album Pages | Album Binders | Supplies
Starter Kits | Showgard Mount | Publications | About Us | HOME