VTG 1980's Set Of 6 Studio Art Fused Glass Plates Shades Of Purple Butterfly 7½"

All 6 plates are in good vintage condition with no chips or cracks, measuring 7½" wide. There seems to be a type of crazing in areas with the purple color inside of the glass, though the outside is smooth. There is a signature, but I can not make out the name, just the year in the 1980's.

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