1840 OC-P3
Original Proof

Die Pair P2 - PB
Date Grid JR of C / 4-4.0 / Level
Obverse Die States a
Estimated Rarity R7+
1, 0 Vertical SH, SH
Reverse Die States a





Comments:   This is the second and final use of Obverse P2 to strike proof issues. It was later used to strike business strike die marriage OC-3. This is the only use of Reverse PB to strike proof issues. It was subsequently used to strike the OC-3 business strike die marriage.


Obverse P2

The photo below shows the Obverse P2 attribution grid. Obverse P2 can be uniquely identified by its date position, slightly high in the field and level.



1840 Obverse P2 attribution grid

Obverse P2 was used to strike both proof and business strike issues, our die marriages OC-P2, OC-P3, and OC-3.

Obverse P2 Die States
  1. Perfect die.
No later die states have been observed.


Reverse PB

Reverse PB is identified by the extension of vertical lines 1-2 and 1-3 into the horizontal shield lines and by the penetration of lines 2-3 and 3-1 into the shield border. These markers are shown in the photo below.



1840 Reverse PB die markers


Reverse PB Die States
  1. Perfect die.
No later die states have been observed.



Photo credits:

Obverse P2 and Reverse PB:   1840 NGC AU58, from the Osburn-Cushing reference collection.


Copyright 2015-2021, by Dick Osburn and Brian Cushing, All rights reserved.