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
This did not come from the mint like that. It has to be gold plated. No collector value.
It's a common date, currently worth about $2 for the silver.
10 cents, it's a novelty coin that has been plated.
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.
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