Sylektis, thanks for the photos. I guess I should feel reassured, and I do in a slightly red-faced way...
Are those photos from the NHM in Athens, or the Ali Pasha museum in Ioannina? Part of the reason I was wary about the inscriptions is I'd seen many identical ones in that little place off the Flea Market, if you know where I mean. Perhaps too many...
You're right, I think there's a gap in the market for yataghan catalogues of the less-than-pasha quality. In an odd way, I suppose it's exciting how speculative analysis is even on a forum like this.
Anyway, efharisto para poli yia voithia sou me to Yataghani pragmati (sorry, my Greek's appalling...

)