Vintage Schott Mainz Summer Floral Casserole - 1.5 qts.
At first glance, it looks like a different pattern of Pyrex. IT'S NOT! This lovely vintage 1.5 qt. casserole was made by Schott Mainz Glass of Germany. It looks like Pyrex because it is very similar and has the same uses. Although I found no reference to collaboration between Corning Pyrex and Schott Mainz, both companies are quite similar- dating back to the 1890's. Most important (at least to me) Schott Mainz glass is made from a silca - boron formula as was Pyrex before the disastrous change in 1997 to silica - lime