[Durability] - compulsory parameter for "Sell" and "Exchange" types in case if the item is single or if all of multiple items have exact same durability. It is indicated using the two numbers as it is displayed in the inventory: [current dur/current max dur].
As you have several items with different durability to sell, please avoid using durability parameter.
Same goes with the "price parameter". In your case, it is better to go with the following title:
[Sell][Various Shop Arts] |
