Handkerchief

 is an item found in Red Dead Revolver.

Description
"It has a monogram taken out of frontier history."

- Store description

As with all similar items, the is not used in the game beyond unlocking a showdown character and journal page.

Unlocks

 * Billy "Kidd" Cougar as a multiplayer character in Showdown Mode.
 * Pages 246 - 247 of Sheriff Bartlett's Journal, covering Kidd Cougar.

Merchants
The can be purchased from the Tailor in Brimstone after completion of the mission "Freak Show". If not purchased, it remains available during subsequent visits to Brimstone.