Mailed advertising envelope from Portland Pipe Co., Portland, Maine, dated April 17, 1897, with red 2¢ Washington stamp and clear Portland postmark. Printed business ad lists culvert, drain, chimney, and well pipe, tile, and cement products, plus “Artistic Tiled Fire-places.” Addressed to Carthage, Maine. Envelope is empty. Partial corner wear and light age toning as shown. Excellent 19th-century building supply advertising cover.
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