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Cross reference for Seated Lib Half dollars... WB-103 to WB?

Trying to find some sort of cross reference between PCGS Wiley-Bugert numbers and NGC Wiley-Bugert numbers.    PCGS uses Variety numbers like WB-1 to WB 19, etc,, where NGC uses WB-101, WB-103, WB-104, etc.   

How do I cross reference between them? [ NGC says: 1856 1/1 VP-001 50C MS, NGC Attribution: VP-001, Cross Reference: Wiley-Bugert: WB-102 ]. [ PCGS says : WB-1 Large O, WB-2 Large O, WB-3 Large O RP1, WB-4 Large O, WB-5 Large O RPD, WB-6 Large O, WB-7 Large O RPD...]
How do I cross reference them? Any help appreciated.


  • yosclimberyosclimber Posts: 4,593 ✭✭✭✭✭
    edited March 21, 2023 2:10AM

    [edited, as I had the digit count switched due to faulty memory...]
    The 3 digit WB numbers are from the 1993 Wiley-Bugert book.
    You can view it for free at the Newman Numismatic Portal:
    Often these older WB numbers group several die pairs together.

    The 2 digit WB numbers are from the 2009-22 Bugert books,
    which you can download as free PDFs from the LSCC site:
    These newer WB numbers are one per each specific die pair.
    I recall these new PDFs reference will reference an older WB number when it maps to a new one.

    The VP 3 digit numbers are for "NGC Variety Plus".
    I believe these were constructed before the newer Bugert books came out.

    It's best to use the new WB 2 digit numbers, as they are as complete as currently possible and should encompass the others.

  • WOW!!! JUST what I was looking for!! Thank you so much! You guys are amazing.

  • BarberianBarberian Posts: 3,036 ✭✭✭✭✭
    edited March 26, 2023 10:50AM

    First of all, Bill Bugert (BB) cross references to the Wiley and Bugert 1992 names in his volumes on die marriages.

    In some cases, there is a one-to-one correspondence between a WB-1## type found in their 1992 volume and the WB-# found in BB's later registries because the variety represents only one die marriage. However, in many cases, a WB-1## type in W&B 1992 can be comprised of several die marriages.

    For instance, 1841-O Large O (WB-101) is comprised of at least NINE die marriages WB-1, 2, 3, 5, 6, 11, 13, 14, 15.

    1841-O Medium O (WB-102) is comprised of two DMs: WB-2 (also called "baseball die cracks"), and WB-3 (lacks baseball die cracks).

    I suggest downloading Bill Bugert's Registry of die marriages (6 volumes) to get this cross-reference information, and then using the die marriage labels when possible rather than W&B's variety labels. They are all available for download for FREE!

    That's six volumes of Seated Liberty half variety and DM information for FREE!

    3 rim nicks away from Good
  • PERFECT!!!!!!!!!!! thanks everyone!!

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