Cypraea id help

[mark]

Hi,
 
I would like help for these Cypraea species too.
 
Is it a C. tigris? (cca 6 cm)
 
[img]http://i1283.photobucket.com/albums/a556...9c4d12.jpg[/IMG][/URL]
[img]http://i1283.photobucket.com/albums/a556...4bfd0e.jpg[/IMG][/URL]
 
All of them C miliaris? (2,8-4 cm)
(I think sometimes I only hope with the small differents they aredifferent species)
[img]http://i1283.photobucket.com/albums/a556...1bcb9c.jpg[/IMG][/URL]
[img]http://i1283.photobucket.com/albums/a556...f4de5e.jpg[/IMG][/URL]
 
I have no idea… (2,5 cm)
[img]http://i1283.photobucket.com/albums/a556...8b5540.jpg[/IMG][/URL]
[img]http://i1283.photobucket.com/albums/a556...29d653.jpg[/IMG][/URL]
 
I will thankful any idea.
 
Regadrs,
 

Mark