Sculpture Artistiche Muranesi S. A. M. (1973-1976).
1973 Maurizio Albarelli acquired some of the assets and began operation as Sculpture Artistiche Muranesi S. A. M.
http://www.boglewood.com/murano/producers/segusovetri.htmlSo it looks like my green piece is a copy of the Pinzoni piece. I think Angelo Seguso & Pino Signoretto were working at the company at this time.
Rocco, I also have the exact same one as yours