Pyrex Item Numbers

In addition to Pyrex Ware model numbers and pattern numbers, are item numbers. While the first two, when known, are rather straightforward, item numbers can be a bit puzzling.

Model numbers simply designate a particular size and shape of a piece of Pyrex Ware with no regard to color or decoration. Except for the earliest color ware and a few other pieces, they are molded into the piece itself.

Pattern numbers, usually a one or two digit number, were assigned arbitrarily, and are found only in literature and on original cartons.

Which brings us to item numbers, which are also only found in literature and on cartons.

Early item numbers were typically an amalgam of model or set numbers and pattern numbers. As an example, a #440 set of Cinderella mixing bowls in the Horizon Blue pattern would be item number 440-41, the 41 being the number for that pattern.

Standard patterns offered in more than one color seem to adhere to an older convention, the item number augmented with a suffix for color and decoration, e.g. a refrigerator storage dish set in turquoise Butterprint on opal white is numbered 500-OTBP.

Promotional items, often a single dish with lid and an accessory, were typically given an item number consisting of the dish model number, followed usually by some letter code to distinguish the color, the decoration, or an included accessory. A convention with most non-Cinderella casseroles seems to be the the use of the lid number to indicate its inclusion. For example, a #045 2-1/2 quart oval casserole with its #945 lid and a candle warmer cradle might have an item number like 945-CW-1, the last digit serving to distinguish between more than one 045 promo casserole with candle warmer.

In other cases, the item number for a promo piece consisted of an apparently arbitrarily assigned 2, 3, or 4 digit number. The Gourmet Casserole of 1961 was numbered simply 56. The 1959 Duchess Casserole, distributed by a third party, was number 796.

Beginning in 1962, the item numbers for promotionals incorporated the year as the last two of four digits. For example, the Golden Tulip casserole, from 1962, was item number 6162.

Things To Know About Item Numbers

  • Item numbers are in some company publications called catalog numbers, but they are the same thing.
  • Set numbers, pattern numbers, color numbers, and/or decoration codes were often combined to constitute an item number.
  • For sets from standard patterns, the item number is typically the model number of the set followed by the pattern number.
  • The last two digits of 4-digit item numbers on promotional pieces are its year of introduction.
  • The letter M, when seen in promotional item numbers, stands for mounter, an alternate term for a cradle.
  • The letters CW indicate a candle warmer was included.
  • The letters SP mean the item was distributed via a stamp redemption program.
  • Item numbers should not be confused with model numbers or pattern numbers.

Once you become familiar with model numbers, pattern numbers, color code suffixes, and the types of accessories included with promotional items, item numbers become somewhat more easily decipherable.



Pyrex Particulars
"Pyrex Particulars"
Old Orchard is the only pattern in which the two 501 refrigerator dishes are different colors, one orange and one brown.