Even with the trix I cannot view your linked pix. There is another way which is to upload pix to your "Gallery" and one of us can view and copy them.
I have an early San Cristobal which has a conventional BB shell with "club" piercing and I have a later Bonati-built (after Pellizioli sold out) frame which does have a Cinelli "spoiler" BB shell Both great bikes but the early one has a certain extra bit of charm.