The same thing as all other bipedal, sentient primates: mostly carbon, oxygen, nitrogen, and calcium plus a whole lot of trace elements.
If it is in a sealed box, it was made for collectors.
A proof coin has a special shiny finish on it and it is made to be sold to collectors, and not used as money.
Ancient Coin Collectors Guild was created in 2004.
Stamp collectors are call philatelists. Coin collectors are called numismatics.
I assume "IT" refers to a coin. If so, you have a magician's coin. They're privately-made trick coins that sell for a couple of bucks in novelty shops, but have no interest to coin collectors.
There are patron saints of coin collectors but not of coin makers.
The original dollar coin was made of Silver. The current dollar coins are made of Copper, Zinc, Manganese, and Nickel by the United States mint. The Morgan Silver Dollar is prized by coin collectors.
The original dollar coin was made of Silver. The current dollar coins are made of Copper, Zinc, Manganese, and Nickel by the United States mint. The Morgan Silver Dollar is prized by coin collectors.
Coin collections can be sold to coin dealers, collectors and investors.
That attempt is made, but mint errors do exist and they can add value for collectors.
The only relation that I can see if that countries who issue commemoratives coins which they offer to collectors at a price above their face value, need to design these coins so that they appeal to collectors. Therefore a coin designer would need to know what coin collectors like .
numistmatists are coin collectors.