decorations were initially sold by mistake due to a lack of knowledge about the game.

Following a code offered by the game admins to everyone, we received the 4th Anniversary Blueprint with decorations some time ago. I didn't know their purpose, so I mistakenly sold some decorations due to my lack of knowledge about their use in the game. I later realized their importance and waited a while, hoping to find them in future events. Months passed, and I still haven't found them. Is there any way to get them back? That would be really nice. I feel a bit silly to be penalized in my game stats because of a mistake I made.

The decorations I mistakenly sold are:

Three blue party hat

Two red balloon1

Two pink party hat

One blue balloon

One champagne

One cocktail1

All details are in the attached photos. Note that I made this request because I lost hope of finding them. I met up at other events and saw their presence in the game.