Max - your knowledge is
so impressive! I would not have guessed that letter combination in a thousand years, but in re-inspecting the signature after your post, you are absolutely correct. Pasabahce it is, for better or worse!

Of course, this only begs more questions, such as approximate dates of production (info. in Ivo's book indicates they've been in business from 1935 to the present), name of series (if any), designer, scarcity, etc. It amazes me how wrong I can be about a piece of glass despite years of studying and collecting! I'm also impressed that Turkish artisans are/were creating art glass of this quality, although maybe it's ethnocentric of me to say so. Turkey is, after all, part of Europe. In some quarters at least.