- Medium
- Etching and photoengraving from two plates in black on gray wove paper, tipped onto portfolio page of ivory Japanese paper, laid down on four-ply board, and bound in accordion format
- Dimensions
- 109 × 83 mm (image, left); 119 × 93 mm (plate, left); 320 × 250 mm (image, right); 336 × 250 mm (plate, right); 662 × 508 mm (primary support); 710 × 560 mm (secondary support); 710 × 1125 mm (open folio); 710 × 565 × 35 mm (closed portfolio)