Coin Glossary

You can find most popular coin collecting phrases in this coin glossary.

Coin Glossary


Gem - a beauty of a coin.  One with unusually high quality.

Gem BU - A beauty of a coin ! Means GEM quality Brilliant Uncirculated coin. Indicates that this uncirculated coin shows mint brilliance and is extremely attractive for the type of coin. Some might say it sparkles like a "GEM". See Coin Grading

gouges - heavy marks on a coin where the metal was gouged out from coming in contact with something. Typically worse than "contact marks" or "bag marks".

grade - a rating or clarification that indicates how much wear a circulated coin has. Grades can also indicate the degree of perfection for uncirculated coins. Two popular grading guides are Photograde and the ANA Grading Guide. Both use a scale system from 1 to 70, measuring coins from About Good -3 to Mint State Uncirculated- 70. See Coin Grading

grading standards - a set of criteria indicating how much wear a coin shows.

gram - weight.  Metric system of measuring weights.  Approximately 31.1 grams are in one troy ounce.

Coin Collecting News
Massive gold coin stolen from German museum
A gold coin nicknamed the "Big Maple Leaf" with a face value of $1 million was taken from the Bode Museum in Berlin, Germany, at 2a.m. Monday morning. On one side of the coin is a likeness of Queen Elizabeth II, and on the other is a maple leaf. The coin ... more info

Berlin museum director responds to shocking giant coin theft
When a 100-kilo, $1-million Canadian coin was stolen from a Berlin museum, the director was weak in the knees. He told DW why he's hopeful the coin will be recovered - and displayed in any condition. Called the "Big Maple Leaf," a coin weighing 100 ... more info

‘Most Secure Coin In the World’ ?
The UK launched what is being touted as the “most secure coin in the world” yesterday – the day before Brexit day. People have reacted with mixed emotions regarding the introduction of the newly designed pound coin which entered circulation yesterday. more info