This is a vintage clear glass trivet or hot plate marked T.M. Reg. Fire-King Made in U.S.A. It is about 6-1/2" across inside the top lip, 10-3/8" from tab handle to tab handle, and 1/5/8" high. There are the usual bubbles and minor manufacturing flaws for this type of glass. Pictures have a gold cast to them, the trivet is clear.
This trivet is in super condition. It has a few wear scratches. No cracks or chips.
Glass Trivet/Hot Plate