Birdie's quest

[jessicas.mom]

So, if you accidentally got rid of the pirate's photo not knowing what you were supposed to do with it....is there a way to get it back and complete the quest?

[Entropos]

There were a few suggestions here: https://www.reddit.com/r/StardewValley/comments/lp23n9/help_lost_war_memento/

[Buffmania]

Buy a chicken named [864] it'll spawn the war memento item that you're after.