Silver Yamaha flute with engraved initials

Yesterday around 3pm I realized my silver Yamaha flute was missing. I had been outside the Philharmonic Hall on Hope Street, Liverpool, and I must have left it on a bench near the entrance. It's in a black hard case, with a tiny dent on the lip plate and the headjoint engraved with the initials 'E.K.' There's also a faded sticker from my university band on the case. It meant a lot to me; it was a sentimental gift from my grandmother, so I would really appreciate it if someone who finds it could get in touch.