Grazie... nonna (1975)
A young man gets a pleasant surprise when a comely "relative" agrees to teach him the rudiments of sex.
Directed by: Marino Girolami
Starring: Edwige Fenech, Valerio Fioravanti, Enrico Simonetti, Gianfranco D'Angelo, Fabrizio Cardinali, Valeria Fabrizi
Links: IMDb, Movie posters, Movie stills