Unusual Antique Turkish Or Trabzon Dagger with pierced blade

An interesting old sword probably Balkan or Trabzon. Of kindjal form, the sheath and handle deocorated profusely with applied twisted decorative wirework, set with turqoise stones. Most unusual form of guard, perhaps in animal or calligraphic form? The steel blade with wide central groove, nicely chiselled with designs and pierced with circles and slots, upper mounts of gilt-brass decoratively engraved. The lower part of the sheath wire decoration incorporating a signature in arabic characters. A 19th century piece, 22.5 inches long overall.Middle East turkish ottoman greek