lower right verso in graphite: Tam Imp "Acrobatic Frog Cup" Price '68; lower right verso in graphite by unknown hand: 2494 / German Etching paper
Marks and Labels
embossed: [Tamarind Lithography Workshop]; embossed: [Robert Rogers]
Dorothy J. and Benjamin B. Smith, Beverly Hills, California; acquired 1984 by the National Gallery of Art
- Devon, Marjorie, and Peter Walch. Catalogue Raisonné: Tamarind Lithography Workshop, Inc., 1960-1970. Albuquerque: University of New Mexico Art Museum, 1989, no. 2494.