Even though the Orioles lost the '79 World Series in 7 games, the city still held a parade for the team the next day...
Here is a snapshot of shortstop Mark Belanger from that parade:
After the parade concluded the club was all introduced on a stage downtown & after a few speeches a few of the players removed their jerseys and tossed them into the crowd as they walked off.
A (then) young girl caught Belanger's jersey and I was able to acquire it from her directly a few years ago: