The Alvarez FY 40 (referred to in the catalogs as Satin Folk, Carolina Folk or Mahogany Folk) model was available from around 1976 until the early 1980s, and was part of the Bicentennial Folk Series. The top was solid Canadian spruce, back and sides were Oceanic mahogany, fingerboard and bridge were Indian rosewood, and the neck was Indonesian mahogany. Tuners were chrome Japanese Gotohs. Also available was the FY 40B with maple sides and back.
Source: Alvarez Yairi catalogs 1976, 1980, 1981