The cups are marked "Fire King Oven Ware Made in USA" on the bottom. MINT condition with no chips, cracks, scratches or other issues. Perfect and ready for use or display. See my other listings for more Jadeite.The item "6 Sets Fire King Jadeite Jadite Jane Ray Demitasse Espresso Cups & Saucers" is in sale since Monday, June 3, 2019. This item is in the category "Pottery & Glass\Glass\Glassware\40s, 50s, 60s\Anchor Hocking\Fire-King". The seller is "jadeite-depot" and is located in Merced, California. This item can be shipped worldwide.