Selling Human Female Warrior Tank/DPS with nice name, p5 BIS except bracers (Zandalar Vindicator's Armguards)
A lot of my gear is BIS in Naxxramas too

Engineering 300, Mining 300

Full conqueror's battlegear set (T2.5)

Helm: Conqueror's Crown T2.5 with Primal Hakkari Idol enchant (10sta 10defense 15 shield block value) | Helm of endless rage with 100HP enchant
Neck: Onyxia's tooth pendant
Shoulders: Conqueror's Spaulders T2.5 with Zandalar signet of might enchant (30atp)
Chest: Conqueror's Breastplate T2.5 with +4 stats enchant
Back: Cloak of the Golden Hive with 1% dodge enchant | Cloak of the Shrouded Mists with 15 Nature resist enchant
Bracers: Zandalar Vindicator's Armguards with 9 sta enchant
Gloves: Gauntlets of Steadfast Determination with 15 agi enchant
Belt: Onslaught Girdle
Legs: Conqueror's LegguardsT2.5 with Primal Hakkari Idol enchant
Boots: Chromatic boots with minor speed enchant
Ring 1: Band of Accuria
Ring 2: Signet ring of the bronze dragonflight (exalted) | Master Dragonslayer's Ring
Trinket: Diamond Flask, Hand of Justice, Blackhand's breadth, Lifegiving Gem, Styleen's Impeding Scarab
Weapons: Warblade Hakkari Set with crusader enchant on both
Shield: Blessed Qiraji Bulwark with 7 sta enchant | Force reactive disk with thorium spikes enchant
Bow: Striker's Mark

Fire resist set
Nature resist set
100 Frost resist set (Gyth skull of frost resistance, 2x gyrofreeze ice reflector and some crafted items for starting in naxx)
A bit of shadow resist gear
Diamond Flask ticks for 580
Have Insignia of the Alliance, Goblin Jumper Cables XL, Rocket Helm, Nifty's Stopwatch, Carrot on a stick, ALL engineering BOP items ( I rerolled Goblin engi after having crafted Gnomish stuff)
All dungeon keys, including UBRS, all attunements except Naxx
Bank has all 16 slot bags and my char has 1x 18 slot and the rest 16 slots
Bank is full of situational items, gear, trinkets (bag of marbles, Loofa, moist towelette..)
Got about 1000g between alts, have a few arcane crystals and a few hundred gold worth of mats on alts
Revered with AD, got mats for Naxx attunement
Epic Mount (Horse)
have a lvl 110 Priest on retail with lots of collectors and mounts ( comes with the battle net account)
That's all on the top of my head, I currently don't have playtime to go check but pm me if interested.

 

Good luck selling.