The design of #500 series refrigerator storage dishes' lids can help determine their age.
From 1947 until approximately 1959, the lids' tops had longitudinal ridges flanking a smooth middle, and had smooth undersides.
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Starting in the mid-1970s, equivalent metric capacities were also embossed on pieces, therefore any seen so-marked can be dated positively later than that.
The older mixing bowls also have a thicker, more pronounced rim, but with no appreciable difference in capacity from later examples. Variations in the red 2-1/2 quart mixing bowls encountered are owed to their differing heritages.
The shade of blue on the 1-1/2 pint #401 bowl included in the 1968 revised color combo #400 set is different from that of any previously seen.
Since the Cinderella design pieces were first introduced in 1958, they must all date from then or after.SIGN UP & JOIN 1346 OTHERS IN Opal Start a conversation today with one of the 1346 singles in Opal, Alberta.Every day new connections are made between Smooch users, once you’re a member you’ll have access to 1000’s of singles. She has been in one celebrity relationship averaging approximately 36.7 years. We've started 16279 conversations in Opal, Alberta, Canada, you could be next.Being embossed rather than incised, and the material being glass, it is obviously molded in rather than stamped. The following are general representations of the various backstamps, which may not look exactly the same on all shapes. Promotional patterns may have been available for as little as a holiday season or a year, standard patterns from two years to as long as a decade in a few instances.