Honestly, it does not work either way very well and hence they never put in full scale production. We live near Corning NY and over the years have found some Pyrex test pieces that never made it into full production. This is one of the rarest we found.
Easures 5.75"w including handles x 2.75"h. The bowl is in good to very good condition: there are no chips or scratches but the color is a little dull. The item "Vintage RARE PYREX AMISH BUTTERPRINT 8 OZ Cinderella Bowl 20 Turquoise" is in sale since Thursday, October 28, 2021.This item is in the category "Pottery & Glass\Cookware, Dinnerware & Serveware\Bowls". The seller is "secondeditionsbookshop" and is located in Elmira, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.