Before Pyrex became the beloved brand we know today, it began as a small line of machine-made glass ovenware. Its rich history dates back to 1915, when it was launched by a New York-based company.

Pyrex Golden Sunflower Daisy (1968) // $5200. ... The Pyrex Amish Butterprint Orange Pumpkin set comes with four round milk glass bowls of various sizes (441, 442, 443, and 444).

One seller on eBay has a 1970s 2-quart Pyrex casserole dish listed for $100,000. Many of these vintage crockeries do sell for hundreds and even thousands of dollars.