This item is acquired in-game. See its sources below.
Hidden Trove uses icon file 4203076, which 14 other items also use. The 7 closest by item ID:
Bountiful Coffer ID 228942 · Armor "Contains powerful equipment, a radiant echo, bonus currencies, and a chance at a new or upgraded curio...."Sovereign's Finery Chest ID 224783 · Miscellaneous "Only for those with the most exquisite taste."Expeditionary Spoils ID 222923 · Miscellaneous "May contain equipment, exotic reagents, collectibles, and secret recipes."Bountiful Coffer ID 254250 · Armor "Contains powerful equipment, bonus currencies, and a chance at a new or upgraded curio. Requires a Restored..."Sanctified Supplies ID 215466 · Miscellaneous "These supplies are able to dispel the barriers of darkness around the area."Lost Treasure ID 213085 · Miscellaneous "There are some valuables in this chest, although it isn't exactly what you were promised at the start of..."Ritual Spoils ID 271785 · MiscellaneousBlizzard numbers items as they are created, so the named items next to ID 235559 (235549 to 235569) were usually added in the same batch as Hidden Trove: the same quest line, zone, vendor or reward set.
Crimson Shreddertank ID 235549 · Miscellaneous · item level 30 "Teaches you how to summon this mount."
Lively Darkmoon Charger ID 235555 · Miscellaneous · item level 10 "Teaches you how to summon this mount."
Violet Darkmoon Charger ID 235556 · Miscellaneous · item level 10 "Teaches you how to summon this mount."
Snowy Darkmoon Charger ID 235557 · Miscellaneous · item level 10 "Teaches you how to summon this mount."
Box of Darkfuse Miscellany ID 235558 · Miscellaneous "Darkfuse Solutions will be glad to give this to you in exchange for your Market Research."
Forest Dweller's Butterfly Tunic ID 235564 · Armor - CosmeticForest Dweller's Blooming Tunic ID 235565 · Armor - CosmeticForest Dweller's Rooted Tunic ID 235566 · Armor - Cosmetic
Forest Dweller's Butterfly Boots ID 235568 · Armor - CosmeticForest Dweller's Blooming Boots ID 235569 · Armor - CosmeticThe raw ItemSparse values for item 235559 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
Hidden Trove is not traded on the Auction House, so it has no Auction House price. It is acquired in-game from the sources listed above. This page collects its first-party game data (identity, effects and where it comes from) from the official World of Warcraft client build.
TheWoWDB