- 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
- 245 × 425 mm (image, upper); 298 × 446 mm (plate, upper); 68 × 105 mm (image, lower); 81 × 117 mm (plate, lower); 664 × 510 mm (primary support); 710 × 562 mm (secondary support); 710 × 1124 mm (open folio); 710 × 565 × 35 mm (closed portfolio)