What you have there is an ounce of gold. Currently, it's worth about $1900.
📋 Item Submitted
2015-W High Relief American Liberty Gold
M
Marc's Expert Appraisal
ANA-Certified Numismatist · Hudson Valley Numismatics
Similar Appraisals
Good day i came across this coin in my collection and i have been…
Looks like a game token. Really. Fun but not valuable.
George Washington presidential gold coin
Brass not gold, gold in color only. Spend it in good health.
1966 gold coin
Based upon your claim the coin is 13 g and 18K, it has a retail value of about $600.