On May 9 (Friday), May 12 (Monday) and May 30 (Friday) 1969 at 3:00 Greenwich Mean Time (9:00 EST) Jan Dibbets will make the gesture indicated on the overside at the place marked
  • ephemera
  • offset-printed
  • black-and-white
  • 10.4 x 10.3 cm.
  • [unpaginated]
  • edition size c. 1000
  • unsigned and unnumbered