Here is the game pyrex reverse primary nichant-bowl released for the first time in 1969. This is not technically the opposite of the iconic primary set, but rather, has a blue 401, an orange 402, a yellow (daisy) 403, and a green (green) 404. All are stamped as ovenware. #401- blue is a nice, shiny and clean bowl. The color is deep, not faded.
The air is very good. There's a few little flea bites.
Outside there is a small scratch. #402: Orange is a shiny and clean bowl. There is a slight minimum wear inside. There are a number of flea bites and scratches visible under the light. #403- the yellow is shiny and shiny.
#404- green/green has a good color. There's a few scratches and a few flea bites. There are no chips or cracks on one of the bowls. It's a very nice set. It will display beautifully a true collector is essential.
This item is made of glass.