First . . . yes, I'm a geek and have my collectibles in a spreadsheet.
Two . . . when I write it all out it's pretty clear why my collection has taken over my entire townhouse. Third . . . there are a few pre-order items in this list. And fourth . . . since there was some talk of including the Sideshow/Weta mini-helms I left my modest number of polystone in the list. Finally . . . I have everything set up by franchise rather than purely by maker, so items from the same maker often appear in two places.
I hope some of this info is helpful.
Franchise -- Maker -- Item Number (or NONE) -- Item Name/Description
Hobbit -- Badali Jewelry -- ARK-01 -- Arkenstone
Hobbit -- John Lowe -- NONE -- Dreamsphere/Arkenstone
Hobbit -- John Lowe -- NONE -- Light of Earendil
Hobbit -- Davidhg2K -- NONE -- Claw of Smaug
Hobbit -- Davidhg2K -- NONE -- Gates of Moria
Hobbit -- Indy Magnoli -- NONE -- Smaug Hoard Coins
Hobbit -- Invictus Designs (Victor Marin) -- NONE -- Key to Bag End
Hobbit -- Esaga -- NONE -- Beorn Hedgehog Chess Piece
Hobbit -- Hua -- NONE -- Bust of Gandalf the Grey
Hobbit -- Hua -- NONE -- Bust of Legolas Greenleaf
Hobbit -- Arwyniel -- NONE -- Bilbo's Handkerchief
Hobbit -- Noble Collection -- NN1233 -- Pipe of Gandalf
Hobbit -- Noble Collection -- NN1235 -- Pipe of Bilbo
Hobbit -- Noble Collection -- NN1276 -- Sword of Thorin Oakenshield
Hobbit -- Noble Collection -- NN1295 -- Bilbo's Deed of Contract
Hobbit -- United Cutlery -- UC2893 -- Sting Scabbard
Hobbit -- United Cutlery -- UC2928 -- Orcrist - Sword of Thorin
Hobbit -- United Cutlery -- UC2926 -- Staff of Gandalf the Grey
Hobbit -- United Cutlery -- UC2953 -- Sword of Fili
Hobbit -- United Cutlery -- UC2952 -- Sword of Kili
Hobbit -- United Cutlery -- UC3031 -- Elven Bow and Arrow of Tauriel
Hobbit -- United Cutlery -- UC3042 -- Sword of Thranduil
Hobbit -- United Cutlery -- UC3070 -- Short Bow and Arrow of Legolas Greenleaf
Hobbit -- United Cutlery -- UC3100 -- Mirkwood Infantry Sword
Hobbit -- United Cutlery -- UC3108 -- Gandalf the Grey's Pipe Staff
Hobbit -- United Cutlery -- UC3044 -- Fighting Knives of Tauriel
Hobbit -- Weta Workshop -- NONE -- Staff of Radagast the Brown
Hobbit -- Weta Workshop -- NONE -- Key to Erebor
Hobbit -- Weta Workshop -- NONE -- Balin's Mace
Hobbit -- Weta Workshop -- NONE -- King Thror's Ring of Power
Hobbit -- Weta Workshop -- NONE -- Mirkwood Gaol Key
Hobbit -- Weta Workshop -- NONE -- Smaug Treasure Coins
Hobbit -- Weta Worshop -- NONE -- Pipe or Thorin Oakenshield
Hobbit -- Weta Workshop -- NONE -- Pipe of Fili
Hobbit -- Weta Workshop -- NONE -- Pipe of Bilbo Baggins
Hobbit -- Weta Workshop -- NONE -- Kili's Runestone
Hobbit -- Weta Workshop -- NONE -- Thorin's Map
Hobbit -- Weta Workshop -- NONE -- Staff of Thranduil
LOTR -- Filmwelt Shop -- MF3021 -- Rohan Banner I
LOTR -- Filmwelt Shop -- MF3014 -- Aragorn's Banner
LOTR -- Filmwelt Shop -- MF3003 -- Arwen's Coronation Banner
LOTR -- Filmwelt Shop -- MF3020 -- Rohan Flag
LOTR -- Kyle Millard -- NONE -- Tomb of King Elessar
LOTR -- Mike Iverson -- NONE -- Horn of Gondor Resin Kit
LOTR -- Esaga -- NONE -- Bilbo's Pipe
LOTR -- Esaga -- NONE -- Gimli's Pipe
LOTR -- LordoftheRingsGuide Forum -- NONE -- Bilbo's Inkwell
LOTR -- Juan deMiguel -- NONE -- Eomer Banishment Scroll
LOTR -- Juan deMiguel -- NONE -- Isildur Scroll
LOTR -- Andrew Stivison -- NONE -- Eowyn's Shield
LOTR -- Andrew Stivison -- NONE -- Sam's Salt Box
LOTR -- Andrew Hulton -- NONE -- Herugrim Scabbard
LOTR -- Andrew Hulton -- NONE -- Helm of Eomer
LOTR -- Andrew Hulton -- NONE -- Helm of Theoden
LOTR -- Indy Magnoli -- NONE -- Guthwine - Sword/Scabbard of Eomer
LOTR -- Noble Collection -- NN9229 -- Elven Leaf Brooch
LOTR -- Noble Collection -- NN9441 -- Crown of King Elessar
LOTR -- Noble Collection -- NN9687 -- Aragorn's Ring of Barahir
LOTR -- Noble Collection -- NN? -- Pipe of Aragorn
LOTR -- Noble Collection -- NN? -- Pipe of Bilbo
LOTR -- Shire Post -- Shire Post Coins
LOTR -- United Cutlery -- UC1264 -- Sting - Sword of Frodo
LOTR -- United Cutlery -- UC1265 -- Glamdring - Sword of Gandalf
LOTR -- United Cutlery -- UC1298 -- Hadhafang - Sword of Arwen
LOTR -- United Cutlery -- UC1299 -- Strider's Ranger Sword
LOTR -- United Cutlery -- UC1296 -- Shards of Narsil Mini-Statue
LOTR -- United Cutlery -- UC1300 -- Sting Scabbard
LOTR -- United Cutlery -- UC1366LTNB -- Strider's Ranger Sword Scabbard
LOTR -- United Cutlery -- UC1370 -- Herugrim - Sword of King Theoden
LOTR -- United Cutlery -- UC1371 -- Elven Knife of Strider
LOTR -- United Cutlery -- UC1372 -- Fighting Knives of Legolas
LOTR -- United Cutlery -- UC1373 -- High Elven Warrior Sword
LOTR -- United Cutlery -- UC1380 -- Anduril - Sword of Aragorn
LOTR -- United Cutlery -- UC1380ASLB -- Anduril - Sword of Aragorn (LE)
LOTR -- United Cutlery -- UC1381LTNB -- Fighting Knives of Legolas Scabbards
LOTR -- United Cutlery -- UC1382 -- High Elven Warrior Warrior Helm
LOTR -- United Cutlery -- UC1383 -- Helm of King Elendil
LOTR -- United Cutlery -- UC1384 -- Helm of Gimli
LOTR -- United Cutlery -- UC1386WTNB -- Staff of Gandalf the White (metal crown)
LOTR -- United Cutlery -- UC1396 -- Anduril Scabbard
LOTR -- United Cutlery -- UC1397 -- Battle Axe of Gimli
LOTR -- United Cutlery -- UC1400 -- Sword of Boromir
LOTR -- United Cutlery -- UC1414 -- Gondorian Infantry Helm
LOTR -- United Cutlery -- UC1415 -- Walking Axe of Gimli
LOTR -- United Cutlery -- UC1417BL -- Glamdring Scabbard (Blue)
LOTR -- United Cutlery -- UC1423 -- Sword of Eowyn
LOTR -- United Cutlery -- UC1424 -- Sting (Museum Collection)
LOTR -- United Cutlery -- UC1428 -- High Elven Warrior Shield
LOTR -- United Cutlery -- UC1430 -- Helm of Isildur
LOTR -- United Cutlery -- UC2940 -- Second Age Gondorian Shield (resin) and Banner
LOTR -- United Cutlery -- UC2598 -- Sword of Isildur
LOTR -- United Cutlery -- UC2614 -- Sword of Samwise
LOTR -- United Cutlery -- UC2628 -- Bearded Axe of Gimli
LOTR -- Sideshow -- 9304 -- Gandalf the Grey
LOTR -- Sideshow -- 9306 -- Legolas Greenleaf
LOTR -- Sideshow -- 9309R -- Boromir, Son of Denethor
LOTR -- Sideshow -- 9319 -- Pippin, Guard of the Citadel
LOTR -- Sideshow -- 9324 -- Elrond: Herald of Gil-Galad
LOTR -- Sideshow -- 9330 -- Eowyn as Dernhelm
LOTR -- Sideshow -- 9331 -- King Theoden
LOTR -- Sideshow -- 9335 -- King Elessar
LOTR -- Sideshow -- 9336 -- Gandalf the White on Shadowfax
LOTR -- Sideshow -- 9344 -- Aragorn at the Black Gates
LOTR -- Sideshow -- 9517 -- Theoden Mini-Helm
LOTR -- Sideshow -- 9519 -- Rohan Royal Guard Mini-Helm
LOTR -- Sideshow -- 9527 -- Eomer Mini-Helm
LOTR -- Sideshow -- 9529 -- Eowyn Mini-Helm
LOTR -- Sideshow -- 9535 -- Merry Mini-Helm
LOTR -- Sideshow -- 9704 -- Golden Hall
LOTR -- Sideshow -- 200085 -- Legolas Greenleaf
LOTR -- Weta Workshop -- NONE -- Silver Chain of Frodo
LOTR -- Weta Workshop -- NONE -- One Ring w/ Elvish Runes (Gold Plated Tungsten Carbide)
LOTR -- Weta Workshop -- NONE -- Faramir