Sealed & Undelivered Team, 2015. Courtesy of the Museum voor Communicatie, The Hague, The Netherlands)

A burnt letter (© Signed, Sealed & Undelivered Team, 2015. Courtesy of the Museum voor Communicatie, The Hague, The Netherlands)

A burnt letter (© Signed, Sealed & Undelivered Team, 2015. Courtesy of the Museum voor Communicatie, The Hague, The Netherlands)