R. M. McNamee & Company / Excelsior Clay | Sheaff : ephemera

R. M. McNamee & Company / Excelsior Clay

Advertising cover for a firm that made the pure white clay used to manufacture glazed, coated printing paper and card stock.
The scene on the back shows clay being mined and then shipped from the factory in barrels, by train.
The inset is the "corner card" at the upper left on the front of the envelope.


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