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Scott Number: R18c Collection Reference No. for Communications: 3582

Denomination/Type: 3c Proprietary, green, perforated

2025 Scott Catalog Value (for a single stamp): $ 9.00

Estimated Retail Value: $ 50.00 What is this?

Cancel Method: Handstamped - Circle

Cancel Color: Blue

Cancel or Company Type: Druggist, Pharmacist, or Patent Medicine

Company: Lamplough & Campbell

City: Montreal

Very rare to find a U.S. revenue stamp with a Canadian cancel. The company must have been selling merchandise in the U.S.

If you have any information or comments about this cancel or stamp, please email me.