A medal is a flat piece of metal with shapes, pictures and letters on its surface. Without denomination, they are not legal tender; therefore they are not officially used as money. However, pictures or..

In ancient times human beings learned to live in accord with nature; they used things in their surroundings as symbols in order to communicate both within their own community and without. The symbols a..

Siam first used a coin machine to produce flat standard coins in the reign of King Mongkut or King Rama IV when Queen Victoria presented a small operating minting machine as a state gift to King Rama I..