Not yet observed in the beta: the Forever client retains this item's record without its stats. Those are sent by the server in-game.Until someone records it, the Classic tooltip is shown below. Forever has reviewed every dungeon's loot, so changes are expected.
In Classic Era, dropped by Ironspine, Scarlet Monastery Graveyard(33%).
Classic 1.15.9.69722
Ironspine's Ribcage
Binds when picked up
ChestMail
235 Armor
+17 Stamina
+6 Strength
+3 Agility
Requires Level 30
Sell Price: 53s 20c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.