Tried to post this to the PGCA forum, but I haven't posted there in years and must be on the shift list; as I am not allowed access for posting? So, and since most Parker aficionados check this forum, I'll past this info along here under the FYI category.
Talked with a guy tonight who has 4 sets of Parker barrels with forearms (two have frames missing various parts); and all are extractor sets. They are:

30" Grade G Damascus ten-bore top lever hammer in 33xxx sn range.
32" DH Titanic Steel 12-bore #2 frame in 102XXX sn range
26" GH Damascus Steel 20-bore #0 frame in 113xxx sn range
32" VH Vulcan Steel 20-bore #1 frame in 177XXX sn range.

All these serial numbers are in the Parker Serialization book; and barrel lengths and barrel steel types match records. I suspect a 32" #1 frame 20-bore Parker barrel is kinda rare? I have no idea as to current condition of these barrels, but the owner will likely be selling. I suggested he might wish to post a head's up here and on the PGCA; and just so there is no misunderstanding. I don't know this guy, never met him (other than thru this phone call), have no personal or financial interest in these barrels; and don't even own a danged Parker at the moment.

PM sent

The owner of the above referenced barrels contacted me this AM to advise me that he has sold all Parker barrels sets that he had; and given the fact that the interest in these barrels had been amazing, asked that I post a head's up in that regard here. The owner also asked that I post a sincere thanks to all of you who may have contacted him and expressed interest.
Tom