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Scott Number: R18c Collection Reference No. for Communications: 2413

Denomination/Type: 3c Proprietary, green, perforated

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

Estimated Retail Value: $ 75.00 What is this?

Cancel Method: Handstamped - Oval

Cancel Color: Red

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

Company: Dr. F.A. Caldwell

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