Including “Holy Grail” finds that could be worth thousands ...

These pretty vintage Pyrex patterns are as valuable as they are stylish. Keep an eye out for them at your local thrift store, ...

This mod pattern shares some characteristics with another Pyrex dish but be on the lookout for this piece's theme. Also the ...

This Pyrex prototype doesn't have the whimsical prints the brand is famed for, but that hardly matters when certain rare ...

Some vintage Pyrex mixing bowl sets sell for more than $1,000. See the eight most valuable patterns and learn what collectors look for before you sell.