Hoppe's Bore Snake or Kleen-Bore ClayMate
Hoppe's #9
Silicon cleaning cloths
12GA Patches (or your hubby's old T'Shirt you've wanted to get rid of, but he wont give up (sorry - I'd use names here, but I don't know his name??

)
Hoppe's (or equivalent) 12 GA Copper/Brass/Bronze or Plastic Brush
Hoppe's (or equivalent)12 GA Swab
12 GA plastic coated cleaning rod
High Tensile/Temp grease (any kind - I like Mobil 1)
Gun cleaning rug (so it looks good while you are cleaning your Parker

)
Ballistol or Sheath
Break-Free Collector
A quality Gun Case for transporting
Period correct Leg-o-mutton case
Beretta Shooting Coat
Browning Shotshell Bag
A...
Oh wait - this list is for you - and not for me, right???
As a special favor - I know a local retail firearms store that sells all that, too...
Best to you!
John