Vintage Pyrex uses a consistent model-number system across patterns. The same shape carries the same number whether it’s Butterprint or Butterfly Gold — so once you know the numbers, you can identify any piece. Here are the most common forms collectors hunt for.
| Series | Model # | Form | Capacity | Notes |
|---|---|---|---|---|
| Round Nesting Bowls | 401 | Round mixing bowl | 1.5 pt | Smallest of the nesting set |
| Round Nesting Bowls | 402 | Round mixing bowl | 1.5 qt | |
| Round Nesting Bowls | 403 | Round mixing bowl | 2.5 qt | |
| Round Nesting Bowls | 404 | Round mixing bowl | 4 qt | Largest of the nesting set |
| Cinderella Bowls | 441 | Handled mixing bowl | 1.5 pt | Angled pour/grip handles; from 1957 |
| Cinderella Bowls | 442 | Handled mixing bowl | 1.5 qt | |
| Cinderella Bowls | 443 | Handled mixing bowl | 2.5 qt | |
| Cinderella Bowls | 444 | Handled mixing bowl | 4 qt | |
| Refrigerator Dishes | 501 | Rect. fridge dish + lid | 1.5 cup | Set = two 501s + 502 + 503 |
| Refrigerator Dishes | 502 | Rect. fridge dish + lid | 1.5 pt | |
| Refrigerator Dishes | 503 | Rect. fridge dish + lid | 1.5 qt | Largest fridge dish |
| Round Casseroles | 471 | Round casserole + lid | 1 pt | |
| Round Casseroles | 472 | Round casserole + lid | 1.5 pt | |
| Round Casseroles | 473 | Round casserole + lid | 1 qt | |
| Round Casseroles | 474 | Round casserole + lid | 1.5 qt | |
| Round Casseroles | 475 | Round casserole + lid | 2.5 qt | Common large casserole |
| Oval Casseroles | 043 | Oval casserole + lid | 1.5 qt | Cinderella/oval form |
| Oval Casseroles | 045 | Oval casserole + lid | 2.5 qt | |
| Divided Dish | 063 | Divided serving dish + lid | 1.5 qt | Often with cradle/candle warmer |
| Space Saver | 575 | Rect. casserole + lid | 2 qt | Oblong ‘space saver’ |
A reference guide compiled from collector sources. PyrexVault is an independent fan project, not affiliated with the Pyrex® brand.