USA collectable A Dollar Gold Coin

Yesterday Bee went to the bank to bank a cheque however he saw these gold coin in the bank thus he manage to change 2 of them. Mine is only 2008 version thus not much value.

I had some search in ebay, these coin come in different generation and with different president face on it. Their value are vary to hundreds....

Well quite happy I had 2 for my collection as alot don't know that USA had $1 gold coin like singapore. They don't use it in purchasing but normally is given/ pass down to them by their grandparent.