Metal trolley coins/ tokens have evolved to various materials with different production ways. Conventional trolley coins are made of die struck iron with soft enamel colors filled on both sides, and always polished on three sides. The trolley coin is very simple with an AT-13 key ring attached.
The coin size is different for different country.
Besides traditional iron, later we have more options on material, such as stainless steel or aluminum, logo can be printed on surface.
