https://blanton.emuseum.com/internal/media/dispatcher/41949/fullBiopsia 3 (envelope)1995Sheet: 5 3/8 × 7 15/16 in. (13.6 × 20.1 cm)Rubber stamp, typed text, hand made postage stamps on wove envelopeBlanton Museum of Art, The University of Texas at Austin, Gift of the artist, 1995.249.11995.249.1/20Prints and Drawings66979417207