Identification of 18K Gold Ring with Uncas Co. Mark

Question
i found a gold ring and the center stone is missing.  the inside reads 18KTHGE and a symbol that looks like a U with an arrow through it.

Answer
Hello Renee and thank you for your inquiry. Your ring was made by Uncas Co and you can find more information at the below url

http://www.illusionjewels.com/costumejewelrymarksu.html

Just copy and paste it into your browser address field and hit enter. The 18K HGE means your ring is Hard Gold Electroplate. Hope this helps !