Bank Space Scroll

See Item Shop Items Cost: 30  or 60  RW List of Shops with this Item This item comes from:  Flower Festival Happiness Package

Bank Space Scroll __ (n Days) Bound Item Shop Item Not dropped on PK death General Cannot be sold Use this to obtain additional bank space for n days. This scroll is limited to tab __. (Effect duration also includes offline time.)

__ is a Roman Numeral from II to V, and n is either 7 or 30.

Ruby Shop:

•  Bank Space Scroll __ (7 Days) costs 30 
•  Bank Space Scroll __ (30 Days) costs 60 

On the Bank UI the costs are in Diamonds.

• 7 ($0.21)†  for 3 Days ($.0967/day)
• 13 ($0.39)†  for 7 Days ($.0786/day)
• 22 ($0.66)†  for 15 Days ($.0613/day)
• 31 ($0.92)†  for 30 Days ($.0433/day)
• 70 ($2.09)†  for 90 Days ($.0327/day)
• 110 ($3.28)†  for 180 Days ($.0257/day) BEST VALUE

There does not seem to be any real way to compute the real-world USD value of a Ruby, but analysis of the Diamond costs for rental shows clearly that 180 day rental is the best value, as you would expect.