CW Morse code commemorative coins This paragraph commemorative coins for every one HAM radio enthusiasts, convenient for practicing telegraph code MORSE help memory, usually you can hold in your hand to get finished and attractive. This paragraph is very suitable commemorative coins Radio Club Annual Meeting Gifts, activities, prizes and other gift occasions. Puzzle Room Escape game theme essential Telegraph Props supplies. Cast zinc-plated copper with a diameter of 30mm and a thickness of 3mm. Different batches, products may have color difference Colour:bronze Material:galvanized copper Size: 30 x 30 x 3mm Package Contents: 1 x CW training coin Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.