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Scott Number: RB3c Collection Reference No. for Communications: 4299
Denomination/Type: Proprietary: 3c green and black, privately perforated, sewing machine perfs
2023 Scott Catalog Value (for a single stamp): $ 800.00
Estimated Retail Value: $ 300.00 What is this?
Cancel Method: Uncancelled
Very scarce stamp, harder to find than the catalog value implies. Sewing machine perforations only visible along the bottom, but they gauge correctly and the stamp has the exact same vignette position as the other example in my collection; likely from the same sheet.
If you have any information or comments about this cancel or stamp, please email me.