>> There are 3 standard wizard coins: the gold galleon, the silver sickle, and the bronze knut.
>> The most valuable of any wizarding coin is the gold galleon. It is a large, round coin. One gold galleon is equal to seventeen silver sickles.
>> The next coin is called the silver sickle. One silver sickle equals twenty-nine bronze knuts.
>> The least valuable coin is called the bronze knut. It is a small coin. Twenty-nine of these equal one silver sickle. 493 of these equal one gold galleon.