Heart with Thumbprint was a product of the Tarentum Glass Company, c. 1898.This rose bowl has a 5" diameter. The scalloped open top is square in shape and measures 2 ½" across the opening. This is a middle sized rose bowl in this pattern, there is at least one smaller and one larger. Glass is clear and without damage. (6439 ) Keywords: Heart and Thumbprint, EAPG, Early American Pattern Glass, antique glass, heart glass