Postalco, the luxury office supplies brand is renowned for creating exquisite stationery. It was a small firm that began in Brooklyn, New York which eventually made it big. Postalco makes items inspired by the International transport of mails and their logo is the Carrier Pigeon. The Postalco Calfskin Envelope of legal size 10.5”*14.5” is perfect to stack up those important documents. Postalco Calfskin Envelope retails for $400.