Trips Festival poster featuring Jefferson Airplane by Bob Masse Linda Bonner 6 years ago This is a Bob Masse poster for the Trips Festival in Canada. We have signed copies for sale. Measures 53cm x 37cm RelatedEaster Be-in poster Bob MasseJuly 16, 2018Similar postEarth Day poster by Bob Masse, signedJuly 16, 2018Similar postTori Amos poster signed by Bob MasseJuly 16, 2018Similar post