Selling a greater bag of holding (Belt Slot) with 149 Upgrades
https://gswiki.play.net/Bag_of_Holding
You need 230 Upgrades to fully upgrade a bag, so you're well on your way.
90/90 Upgrades to Per-Item Capacity
30/90 Upgrades to Unique Item Capacity
19/30 Upgrades to Carry Weight
10/20 Upgrades to Weight Reduction
Analyze:
The creator has also provided the following information:
This sack is a Bag of Holding (major) reward from the Bank Heist at Duskruin Arena. Items stored inside will count only as one item (the container). The current properties of this sack are as follows:
Unique Item Capacity: 40 items -- carrying 212 total items, 11 unique items
Per-Item Capacity: Up to 100 of the same item
Max Encum of Container: 145 pounds (currently carrying 21 pounds)
Weight Reduction: 50%
MB: $1000