Robert Watts, In the Spirit of Fluxus stamps
Minneapolis / New York, Walker Art Center / Robert Watts Studio Archive, 1993. Two sets of printed cardboard sleeves, each containing three facsimile stamps by Robert Watts produced for the exhibition 'In the Spirit of Fluxus' at the Walker Art Center in Minneapolis.
Each post stamp 4.6 x 2.6 cm, offset colour printed. The sets were sold from a vintage stamp vending machine during the exhibition. (total 2)