What size are you??
here's cheapest i found on the 68z so far:
also for Tepphar 804K I just bought one on Quick Moda, an Italian site for 110EUR + 22EUR ship to me in Canada.. i think now they only have limited size. Good luck.
I bought from this French site before, my Shioner 8PN.. now they have Shioner 74Y for 99EURO.. check it out in case you're eyeing this pair.