In the market, you will see a lot of lapel pins, full of colors, do you know whether there’s any difference between these coloring methods?
Yes, when a customer tends to design a lapel pin, one of the common questions is what’s the difference between hard enamel and soft enamel.
If you have coins collection hobby, or have a work must clasrify a coin core material, then just follow the tips in this artical, you don’t need to destroy the coin.
When you measure the diameter or thickness of a coin, while you only hand a traditional vernier caliper on hand, even though it is your first time to use vernier calipe, you don’t need to worry, just follow the 5 steps, then you will reach what you want.
Coins, Military Medals, Lapel Pin, and related package Factory, Free Samples Available.