Umut, I replied to your PM. I not sure how much packing it would take to get a 4"x5" x 1.5mm thick glass plate safely around the world!

Did I mention that I have 7 more unexposed plates? Some year I hope to find a 4x5 plate holder and see if they still work . I did find a description and formula for reversal processing, so I'm part way there.

George