Cardiff gig ticket lost near St David's Hall

I lost my pink paper ticket for a Cardiff gig yesterday around 3pm outside St. David's Hall near the coffee cart. It’s a standard A6 print, slightly creased on the lower left corner, with a tiny blue star doodle in the margin and a barcode at the bottom. The event was for my sister's birthday gift, so it means a lot to me and I was really hoping to surprise her with it. If anyone finds it, drop me a message so I can arrange a return—I’d be incredibly grateful to get it back.