Thought I'd run 100 Barrows Chests since the update just to test the drop rates of the new items, and this is what I gathered.
*This was done during the Saturday double minigame reward event*
(Had to do it like this since I already had Barrows-items banked and couldn't really create a new tab.)
On top of this I also got 4 Elite Clues, 16 Hard Clues, 3 Medium Tier Coffers & 4 High Tier Coffers which are not shown because bleh.
Examine/PC value:
~720m
Price guide value:
~1.85-1.95b