Cast iron skillet, frying pan, buying Smart of Brockville, Ontario size 8, old

This beautiful cast iron skillet is made by James Smart Company who operated from the late 1800s to the 1950s. I understand Smart skillets were known for the fact that they achieved a slightly thinner cast iron, while still maintaining the quality. I am not absolutely sure of the age but have seen this mark attributed to 1917.

Measurements: 10-1/8" diameter (11" lip to lip)

Marks and Labels: Stamped Smart on the base, also G in a diamond inside a circle, and Brockville, Ont.

Condition: Very good vintage. I have cleaned it somewhat, removing some of the build up, but have hesitated to go further for fear of scratching the surface. I used oven cleaner and then a fine SOS pad. It will need to be re-rendered because of cleaning.

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