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Scott Number: RB11b Collection Reference No. for Communications: 5737
Denomination/Type: Proprietary: 1c green, watermark 191R, perforated
2023 Scott Catalog Value (for a single stamp): $ 0.50
Estimated Retail Value: $ 100.00 What is this?
Cancel Method: Handstamped - Multiple Line
Cancel Color: Magenta/Purple
Cancel or Company Type: Druggist/Pharmacist/Patent Medicine
Company: World's Central Laboratory
State: New York
Extremely rare cancel. Manufacturer of Father Arent's Rheumatic Plaster.
If you have any information or comments about this cancel or stamp, please email me.