The tidal range is the vertical difference between the high tide and the succeeding low tide. Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth.
Coin toning can intrinsically increase or decrease the value of coins. Natural coin toning can be quite beautiful. It can also be outrageously ugly. And because beauty is often times in the eye of the beholder, placing a value on a coin due to its toning can present problems.
Break Even = (Ask â Bid)/Bid. MELT VALUE: the value of a coin or bar. The Melt Value is calculated by the amount of metal multiplied by the spot price of the metal. For example, if a coin contains one ounce of gold and the spot price is $1,500 per ounce, the melt value of the coin is $1,500. OBVERSE: the front or heads side of a coin. PREMIUM: the amount charged above a coin or barâs melt value. REVERSE: the back or tails side of a coin.