Snowman Glasses 2 Vintage Thick-Walled Drinking Tumblers Skating Snowmen

Snowman Glasses Set 2 Vintage Thick Walled Drinking Glasses w/Skating Snowman Images. I think they are Libbey but I don't see the "L" anywhere. They are quite thick and heavy. They measure approximately 6" high x 3" wide at mouth with a 15 ounce capacity. Excellent condition with no chips or cracks. From a non-smoking home. Images are in excellent condition.