this, as you probably know, is a mint error. this is unknown to the numismatic community , and
I would check with an expert.
A 1965 sms dime has an average retail value of $2.00.
10 cents, the coin has no silver.
They're all worth at least $2 for their silver content.
10 cents.
What is 1912 dime worth
10 cents, the coin has no silver.
If it is a US dime, it isn't silver. Silver stopped being used in dimes after 1964, so any dime dated 1965 or later is struck in copper-nickel and are only worth face value.
A blank dime planchet is worth about $1 if it does not have a raised rim, or about $2 if it has a raised edge like the edge of a normal dime. FWIW, coins are "struck" rather than "stamped". Just coin jargon, that's all.
1816 dime
A dime is worth 10 pennies. A dime is worth 1/10 of a dollar.
If you mean a mintmark? No US coins made in 1965, 1966, and 1967 have any mintmarks.
Australia does not have a dime coin.