Pyrex Clear Ovenware : Measuring Cups
Check Approximate Prices: Measuring Cups on Ebay
Items in this pattern: Listed below are all the items for this category that are currently in the Pyrex Love reference:
Clear Dry Measuring Cup with Red Writing
Clear Pyrex Measuring Cups With Red Writing
Also, please note that sometimes it's difficult to create an Ebay feed with the exact pattern keywords, so in those cases you might need to dig through the listings some.
If you absolutely need to find a particular Pyrex piece, you might want to try using Ebay's Want-It-Now service which will let sellers who potentially have your item know what it is that you're looking for.