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.
A dime series spanning five decades. Lots of rare dates and varieties with subtle design changes. Your old coin value ranges from $11 to $15 or more for a coin in Good condition to hundreds of dollars for many of the rare dates and varieties. As always, better condition coins are worth large premiums.