I think so-) OTOH I found this

http://www.fotoimpex.de/Home/engl_photopap...e-fomatone.html

Without a filter it seems pretty fast at 600 speed. But stick a filter on it and you drop to 30 or less. 30 is faster then Azo but pretty slow. But then they claim exposure times don't increase for grades up to 3. It's offical I'm confused.

http://www.foma.cz/en/tech_listy/F_tone.htm

Calls the 110 number ISO R speed