The picture below shows a larger view of this 1975 Saint Mary's GeneralHospital Lewiston Maine Advertising Trivet Tile. This tile has a colorful hospital image with trees. There is cork on the back. It is marked as follows:
DEDICATION OF NEW FACILITIES SAINT MARY'S GENERALHOSPITAL LEWISTON, MAINE SEPTEMBER 1975
The trivet measures 4-1/4'' x 4-1/4'' x 1/4''. It appears to be in mint unused condition as pictured.