Materials and Accessories

Collectors use a variety of other materials and accessories.

1. Transparent glassine envelopes protect stamps from grease and air.
2. A stamp catalog is a reference book with illustrations and stamp values.
3. A magnifying glass is useful when examining stamps; tongs are used to pick up and move stamps.
4. A perforation gauge measures perforations along the edges of stamps.
5. Watermark fluid will enhance a watermark, a design or pattern that is pressed into some stamp paper during manufacturing.