This reminds me of Loot Bags pre revelius and how, when clicked, it would give an assortment of mob drops - kinda similar to how hidden chests are, I guess. I wonder if they can make a similar function but with the gifted item? Could be a gift bag or box. Either way, I like the idea and it could be great for players especially when someone wants to gift a birthday present or something during other events.
Instead of putting the gifted item in a bag and carrying it around physically. What if the gifted item was placed in a GUI similar to Mailboxes? Then when the person goes to open their gift, they don't see the item initially, but a present box with the name of the person that sent it - or possibly an option to keep it anonymous! The player can click it, then it shows the item and the option to put it in their inventory.
This mailed gift box option could probably be placed in the Mailbox GUI or they could make a special NPC that handles gifts.