Whatever the person buying the marbles is willing to pay.
It depends on how old it is. If there is an object from, for example, 1717, it can cost thousands, sometimes even millions. The older an antique is, the better.
You should ask an antique seller or antique expert to determine the value of body jewelry.
The authenticity of an antique is the reason the item has value. Antiques have the price that they do because they are old. If an item is simply a reproduction, its value will be less than that of the real antique.
Yes, he did plaster etchings.
The item is an antique of great value.
It depends on the quality of the antique. If it is of high quality and in demand, refinishing it might diminish it's value. I would check with your local antique shop.
The value of any "Antique" is always a very subjective opinion. research what a similar item has sold for and you will have your answer.
When a classic car becomes a antique, it's value increases due to the popularity.
Antique items fluctuate in popularity each year. From time to time, antique tinware has significant value for the popular pattern of the time. Tinware seems to always have at least a small value for pieces in good condition.
It may be a collectible but it is not an antique.
$350
An antique is an item that not only has withstood many decades of ownership, but is also valued by many people. An antique does not have to value in the millions, but must present a from of great personal value for many people.
This really depends on how widely collected the artist is more than the medium However, etchings are typically made in smaller volume if both are from the same artist the etchings are usually of a higher value. Unless there was mass production involved and than it will depend on what generation it was made from and the volume of each