Now that I think about it, doubled working hub may not be the right classification. Doubled Master Die? Because of how common the extra thickness is, there'd have to be numerous working hubs with the doubling.
My opinion on the current 1982
DDO Listings:
1982 Cu DDO-001/WDDO-002 (FS-101) is clearly a doubled die
1982 Zn DDO-002 is stronger than the Doubled Master Die, is a doubled die
1982 Cu DDO-003 is stronger than the Doubled Master Die, is a doubled die
1982 Cu WDDO-001 is Doubled Master Die
1982 Zn WDDO-003 is just die abrasion doubling, but that's been talked about before and off topic
1982 Cu WDDO-004 is Doubled Master Die
1982 Cu WDDO-005 is clearly a doubled die
1982 Zn WDDO-006 is Doubled Master Die
1982-D Zn DDO-001/WDDO-003 is a doubled die (doubled ear and hair) with the Doubled Master Die (LIBERTY and IGWT)
1982-D Zn WDDO-001/1DO-001 (SMALL DATE) Minor, but still a
DDO1982-D Zn WDDO-002/1DO-002 is stronger than the doubled master die, is a doubled die