You are purchasing a VERY NICE circa early 1970's Minnesota Vikings thermal coffee mug.  This is a very cool vintage item.  I believe these were a novelty stand item sold at NFL stadiums.  Mug measure about 6 1/2 inches tall.  Is made of thick plastic.  Mug features a Vikings 2-bar helmet logo and vintage Norse Minnesota Vikings lettering on each side.  Mug shows just a touch of surface wear.  Nothing major at all.  Overall, grades NM!  Very cool vintage Vikings item!  Buyer pays $8.00 shipping.  MN residents please add 6.875% sales tax.  Shipping combined whenever possible.  Thanks for your business!  Please check out my ebay store for more great items!