Vintage Pyrex Primary Colors Nestibg Mixing Bowls Set of Four from 1945

- Vintage Pyrex Primary Colors Nesting Mixing Bowls - Set of Four (4) from 1945 - The Pyrex Primary Colors Pattern was first introduced in 1945 and was manufactured until 1949. - Pyrex Stamping on the bottom of each bowl shows the 1945 logo, which includes the word "PYREX" with the abbreviation "T.M. REG." arched above it and "U.S. PAT. OFF" in a downward curve below. - This set includes the Yellow, Green, Red, & Blue colored bowls - This 1945 Pyrex set is in Excellent Vintage Condition and may show some signs of wear that can be expected with age and use. - Set is sold "as-is". Please review all photos for additional details.