It depends what the condition is. The height pirice on eBay I saw was 3700$ but not above 4000. That's only on eBay.
They're completely different coins. Half dollars were and are made for ordinary spending. Trade dollars were made for use outside of the US in international transactions.
This is a Trade Dollar and about the most faked US coin of all! The 1875 has 7 kinds of this date. Take it to a coin dealer.
First find out if its real. Take it to a qualified professional, Trade Dollars are about the most faked of all US coins. The date 1875 list 7 different coins for that year.
If it has one, it is on the reverse of the coin, just above the "D" in the word DOLLAR. It can only be an "S" or "CC" mintmark.
Please check your coin again and post a new, separate question. Trade dollars were minted from 1873 to 1875.
U.S. Trade Dollars are about the most faked U.S. coin of all! The 1875 issue has a total of 7 different coins for this date. Take it to a coin dealer for an assessment.
With a date of 1875 it's not a one dollar silver coin, but a Trade Dollar that was not legal tender in the US. It was used by the government in the world market for foreign trade. Many have been counterfeited and replicas are common. Authentic coins of this date have retail values $300.00-$900.00 for circulated coins and mint state coins start at about $2,000.00. It can be worth anywhere from $125 to $12,650 USD depending on its condition.
The United States never issued a "trade half dollar," although there may be a few local souvenir trade half dollars that have been issued from time to time. US Trade Dollars were issued from 1873 to 1885, British Trade Dollars from 1895 to 1935, and Japanese Trade Dollars from 1875 to 1877.
Multiply the dollar amount by 3.28.
Not from the US.
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A US Trade Dollar dated 1795 is a fake, they were struck from 1873-1885