❤️ RARE 1st Prototype CORNING BLACK OPTIC 10-oz Cup MUG "Microwave OK"

  • $6.99

Brand New ~ Rare Find!

Rare, 1st prototype for the Corelle Black Optic pattern.  The staggered black keys in the pattern were stretched on the prototype.  I also have several of the prototype Lunch Plates and Bowls on early Comcor material, before putting the pattern on regular Corelle.  Rare Find!

1 Comcor Tableware by Corning 
Black Optic Prototype

10-oz Mug
3 3/4" tall x 3 1/4" dia.

Break and chip resistant

Scratch and stain resistant

Microwave, dishwasher & oven safe

Made in the USA

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