(much deleted)
> P.S. tried Fabriano without gelatine sizing, and found that it required
> 55% more exposure time for similar results I get from Cranes platinotype.
> Have others had that experience? Also, Fabriano's weaved surface seems to
> slightly bleed through the image.
>
My test results were very similar to yours but with about a 30-40%
increase in exposure time. The Classico was also more contrasty.
Keith