Silver usually is stamped with a hallmark - these are odd symbols particular to the jeweller or manufacturer.
It could be a double-strike which means that the coin was stamped more than one time. Do some research or take it to your local coin dealer.
The 395 means how much pure silver is in the coin. It was stamped on by the manufacturer when the coin was made and it was possible to measure the amount.
It's worth a whole cent. The fingerprint isn't stamped in but was etched when someone handled it with dirty fingers. Over time, the oils from your skin will react with the metal in the coin, actually eating into the surface of the coin, which may make it look like the fingerprint was stamped into the coin. This is considered damage to the coin and can easily make the coin worthless to collectors.
A coin stamped with 1789 with a profile of George Washington is not worth any monetary value. This type of coin was stamped privately and is commemorative.
Face value The value stamped on it
A coin that has been stamped twice.
Compression.
The coin needs to be seen for an accurate assessment, take it to a coin dealer. It could be worth as much as $30.00
It's still worth 50 cents, the dates stamped into the coin adds nothing to the value.
No Australian coin has the word "Republic" on it.
The coin needs to be seen for an assessment, take it to a coin dealer.