Many thanks, even if late - I was on holiday -, to Tom Eichhorst and Bill
Fenzan for their contribution to my inquiring.
Giancarlo
Giancarlo Paganelli
Via Giarabub 31
I 47900 Rimini Italy
e-mail: [log in to unmask]
Visit CONE SHELLS at www.geocities.com/Athens/Agora/2341