I have NO idea what a "donnla" is.
If you mean "dollar", the first coins to use the Seated Liberty design appeared in the 1830s.
One of the easiest and most accurate ways to determine the authenticity is to weigh it. A genuine Seated Liberty silver dollar should weigh 26.73 grams.
One of the easiest and most accurate ways to determine the authenticity is to weigh it. A genuine Seated Liberty silver dollar should weigh 26.73 grams.
It's likely the piece is a replica or a silver bullion coin of some type, the weight and diameter do not match any coin of the Liberty Seated series of coins
The first year Trade Dollars were issued was 1873. Many wrong-date counterfeits exist. If it does have "TRADE DOLLAR" on the reverse. It is definitely a fake. If not, it's a 1872 Seated Liberty dollar that needs to be seen for an accurate value. Take it to a coin dealer.
Trade Dollars were minted from 1873 to 1885. The dollar that was minted in 1872 was the Seated Liberty Dollar, if it has a (CC) mintmark and the coin is in good condition, the coin could be worth thousands. *If it says 1872, and Trade Dollar, it is a copy (fake) of a pattern coin from 1873, which used the Seated Liberty obverse and one of two "trade dollar" reverse sides. These copies are readily and cheaply available, and some do not bear the legally-required 'COPY' imprint. Most contain no silver at all.
The best way to tell is to take it to a coin collector and see what he/she thinks.
One of the easier ways to determine between a real and a fake is by weight.
NO it's a fake coin.
It is only worth the value of the metal it is made of so if it is made of silver it is worth something. If it's fake then it has no collector value.
If the coins have "TRADE DOLLAR" on the reverse and ARE dated 1846 & 1848 they are FAKE. The first Trade Dollar was issued in 1873. But some people do mistake Liberty Seated dollars for Trade Dollars. Mostly because of the similar obverse design. Look at the coin again and post new question.
If you doubt the authenticity of any coin, take it to a coin dealer.
its fake according to ebay. There was never such a dollar coin made in 1906. These are forgeries from China from what I have read.