- 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
- 87 × 112 mm (image, upper right); 97 × 121 mm (plate, upper right); 205 × 331 mm (image, center); 234 × 335 mm (plate, center); 649 × 503 mm (primary support); 710 × 562 mm (secondary support); 710 × 1128 (open folio); 710 × 565 × 35 mm (closed portfolio)