signed by artist, lower right on sheet in black ink: Allen Ginsberg; artist inscription, across bottom under image: Neal Cassady and Al Hinckle playing chess, San Jose 1955 (or Gough Street) (S.F.) -- both brakemen on S.P. Railroad.; on verso, center left printed in black ink on applied label: T4311; by unknown hand, bottom left in graphite: #34/523 / Bk5 #21 A env 1 [crossed out] / 1955; bottom center in graphite: GD-AG-12; bottom right in graphite: GDC-664; bottom right in graphite: AG62
Allen Ginsberg Estate; Gary Davis, Greenwich, CT; gift to NGA, 2016.