I found three and if anyone wanna compile them like how @GrandTickler, @Nocht, @siouxy did it, feel free to use my screenshots or post yoru screenshots here.
Svalphinghas Forest
Lhadar Forest
Timerys Temple
Reference and credits to their work:
GrandTickler’s [GUIDE] Grand Collection Chest Guide
Nocht’s Expand Team Storage Guide: 11/13 Confirmed Obtainable Slots
siouxy’s New collection boxes location
Tevhrin Stalactite Cave Section 1 (near Goddess Statue)
City Wall District 8
Jeromel Park
Nheto Forest
It might be best to continue posting these findings in the original thread so thread OP there instantly notices these and updates his post:
TIA!
Thanks, got em on my Chaplain though. 
BTW: Tehvrin Stalactite Cave Section 2:
Near entrance. Behind one of the pillars just right after the entrance area (forgot to take a screenie). Tala Archers = Long Ranged Trucks haha!
BTW, how’d you get 100% at Nheto Forest? Can’t seem to get my character at the top left part of the map.
EDIT: Nevermind, found a Seal of Space Stone.
