Abalone Resin Trivet Vintage 1970s Round Shells Hot Plate Acrylic Lucite MCM

Vintage 1970's Acrylic Resin Trivet Embedded with abalone shells Very 3D and kind of celestial at the same time Three feet on bottom Approximate measurements in pictures Please note photo shows there is a chip, it's a bit on the side but mostly on the bottom can not be seen when looking straight down at it. Smoke free home