This is a vintage 1 3/4 QT Pyroceram Corning Ware casserole dish with the "blurry blue ink" backstamp from 1960 or 1961.

It has a fin Pyrex lid.

The dish has marks on the inside and on exterior, but there are no chips or cracks in it.

Please see photos and contact me with any questions. Note that recycled packing material is used for shipping whenever available in an effort to reduce waste.