- 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
- 360 × 285 mm (image, upper); 445 × 297 mm (plate, upper); 112 × 92 mm (image, lower); 124 × 103 mm (plate, lower); 649 × 500 mm (primary support); 710 × 562 mm (secondary support); 710 × 1127 mm (open folio); 710 × 565 × 35 mm (closed portfolio)