The Swedish Modern, or Teardrop, mixing bowl set was introduced in 1956 in the color Turquoise Blue. This was a four bowl set with a unique teardrop shape: thus the nickname. The trademarks are the same as Splash Proof. 1st bowl measures 3x7 and says made in USA Oven Fire-King ware Pat pend, 2nd bowl measures 3x8 the outside of the bowl has about 3 lines I'll take some pictures. Bottom says oven Fire-King ware made in the usa, 3rd bowl 4x10 bottom of inside of the bowl has a few lines, will take a picture, says made in usa oven Fire-King Ware Pat Pend.There is a brown small mark and a white line on bottom. Made in USA Oven Fire-King ware Pat Pend. I do not have the original box these came in. The item "4 JADEITE FIRE KING SWEDISH MODERN TEARDROP BLUE MIXING BOWLS NESTED" is in sale since Wednesday, November 4, 2020. This item is in the category "Pottery & Glass\Glass\Glassware\40s, 50s, 60s\Anchor Hocking\Fire-King". The seller is "limitedfordmus" and is located in Fenton, Missouri. This item can be shipped to United States.