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Scott Number: R13c Collection Reference No. for Communications: 5821

Denomination/Type: 2c Proprietary, blue, perforated

2025 Scott Catalog Value: $ 350.00

Estimated Retail Value: $ 450.00 What is this?

Cancel Method: Handstamped - Rimless Circle/Oval

Cancel Color: Red

Cancel Date: March 12, 1864

Cancel or Company Type: Unknown

City: San Francisco

State: California

Impossibly scarce document. Vertical strip of three 2-cent Proprietary (R13c) improperly paying 6 cents tax (the correct rate) on a San Francisco 1864 promissory note. The strip features two of the three plate positions associated with the T13a major double transfer: the middle stamp is plate position 133 showing doubling of elements only at the bottom of the stamp, and the bottom stamp is plate position 147, the full T13a showing doubling at top and bottom. Ex-Bleckwenn.

To my knowledge there are no known intact multiples of all 3 plate positions. I also have an example of the full T13a along with the plate position below it (position 161) showing doubling of just the top elements, which you can see here.

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