Signed Books & Works Collection - DinnerWithWalt
A enveloped addressed to Whitman. The postmark is 1886. Presumably, Whitman would have handled this himself.  Unfortunately there is no letter to accompany this.  Perhaps the letter is in the collection at the Library of Congress.

A enveloped addressed to Whitman. The postmark is 1886. Presumably, Whitman would have handled this himself. Unfortunately there is no letter to accompany this. Perhaps the letter is in the collection at the Library of Congress.