Discovery VAM? 1900-O Dollar - reverse die crack

Sorry, no picture. But I did find a 1900-O dollar with a very pronounced die crack running all the way through the letters "UNITED STATES O" on the reverse. Can anybody shed some light on this? I don;t see it in the Cherrypickers guide or the PCGS attribution list.

==Looking for pre WW2 Commems in PCGS Rattler holders, 1851-O Three Cent Silvers in all grades
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