Sotheby's is offering a rare 1776 broadside printing of the Declaration of Independence, with a high estimate of $4 million.

With an estimate of $2-4 million, this historical document has a prestigious provenance that adds to an already unique story.

The lot includes about 50 items and features early handwritten drafts for Dylan's hit "Mr. Tambourine Man" as well as photographs, posters and a signed harmonica.