Hi Dave, thanks for the reply.
From what I could gather, French requires some 60x40, 40x40, 40x20 and 20x20cm (approx.) tiles.
The one I'm looking at has 15x15cm 15x30cm 30x30cm 30x60cm (which, compared to
French, is missing the 3:2 aspect ratio tiles).
It looks like Opus Romano also...