Theatre impresario Lewis Theobald presented the play in the 18th century as an adaptation of a Shakespeare play but it was dismissed as a forgery.
But scholars for British Shakespeare publisher, Arden, now believe the Bard wrote large parts of the play.
Researchers think the play is based on a long-lost work called Cardenio, which was itself based on Don Quixote.
A Lost Shakespeare Play Sees the Light of Day
The BBC reports that Double Falsehood, a "new" play attributed to Shakespeare will be published soon as part of the Arden Shakespeare collection.