Wanted : Cylinder head that fits 1957 Mercedes 300 SL Roadster

I am looking for a used or NOS cylinder head for a 1957 Mercedes 300 SL Roadster. If anyone has one or know someone that has one please contact me. My cylinder head was eaten up by the old coolant after sitting for for 17 years with a busted head gasket.
Your help would be very appriciated.