This isn't a genuine US Mint issue and wasn't made in 1907. It's a modern piece struck by a private company and sold as a collectible item. Its value depends on how much gold it actually contains. Without that information it's not possible to determine its price.
20 cent pieces were only minted from 1875 to 1877. Please check again and post a new question.
The diameter is 34mm, thickness is 2.79mm and the weight is 33.436 grams
Circulating US $20 gold pieces were struck in an alloy of 90% gold and 10% copper. They weighed approximately 33.4 gm and were 34 mm in diameter.
As issued the coins weigh 33.436 grams. All U.S. double eagles have the same weight.
There is no such coin.
There was no Royal Wedding 20 cent coin issued.
A Zimbabwe 20 cent coin will be recent, and almost worthless. Keep it for its sentimental value.
Such a coin does not exist. The first Australian 20 cent coins were issued in 1966.
There is no Australian 1954 20 cent coin. Decimal currency was introduced in 1966.
There is no Australian 1950 20 cent coin. Decimal currency was introduced in 1966.
Such a coin does not exist. The first Australian 20 cent coins were issued in 1966.
Check that coin again. The only years for the US 20 cent coin was 1875-78.
20 cent coins were only made for four years: 1875-1878
on the Australian 20 cent coin it the platypus
New Zealand 20 cent coins have never been minted in gold.
In several decimal currency systems, 20 cents is the value of a coin. While some nations utilize 20-cent coins, others use 25-cent coins in their place. A 20-cent coin from Australia is one example.