An essential stamp collecting accessory, the Stanley Gibbons Colour Key is the best guide to philatelic colours and shades available.
Designed with 200 colors featured on punched color panels and supplied in a plastic case, the Stanley Gibbons Colour Key allows collectors to quickly and easily identify the color and shades of their stamps.
Punched hole for easy recognition
Easier to use and more comprehansive than athough keys.