A comprehensive vintage Pyrex™ reference guide that helps collectors identify patterns and dish sizes by model number. Create lists of your current collection to keep track of what you already have. You can also create a want list for items you are searching for to add to your collection to finish a set. We will be focused on USA made opalware produced by Pyrex™ between 1945 to 1986 for standard or promotional production lines. Future updates to include Rare and HTF non standard pieces, clear glass made between 1915-1945, and the potential to add in foreign made Pyrex™ with enough interest.