It's plated. The US never made gold dimes. No gold coins of less than one dollar have ever been made.
It's either a novelty coin or a gold plated dime. If it's only a gold plated dime it's worth around $2.50. If it's a novelty coin it's worthless.
What is 1912 dime worth
This did not come from the mint like that. It has to be gold plated. No collector value.
A 90% silver 1945 Mercury dime is fairly common and sells for melt (about $1.60 at today's silver prices) if circulated and $20 or so if absolutely uncirculated.
It's actually called a Roosevelt dime; the last Liberty dimes were minted in 1945. There's more information at the Related Question.
There are no gold dimes.
It's either a novelty coin or a gold plated dime. If it's only a gold plated dime it's worth around $2.50. If it's a novelty coin it's worthless.
US dimes were never made of gold.
What is 1912 dime worth
It's a common date, currently worth about $2 for the silver.
This did not come from the mint like that. It has to be gold plated. No collector value.
A 90% silver 1945 Mercury dime is fairly common and sells for melt (about $1.60 at today's silver prices) if circulated and $20 or so if absolutely uncirculated.
10 cents, it's a novelty coin that has been plated.
Ten cents - it's not real gold, it's plated. The US never made gold dimes.
10 cents. The plating makes it an altered coin.
It's actually called a Roosevelt dime; the last Liberty dimes were minted in 1945. There's more information at the Related Question.
1816 dime