Seven close-ups are available - by clicking parts of the image
(scroll down to see a list of printing impressions)

'Sumida River ...'

 

Printing impressions (13):

  1. Key block (poem, gourd outline, fish eyes)
    - sumi
  2. Gourd
    - 'Peach' ...
  3. Flower stems
    - light green
  4. Blossoms
    - faint pink
  5. Undertone for leaves
    - yellow
  6. Cloth, seal, and buds
    - vermillion
  7. Leaves
    - darker green
  8. Blossom 'highlights'
    - faint pink
  9. Gourd
    - jet black
  10. Background (gradation)
    - green
  11. Pattern on gourd
    - 'suzu no fun' (silver ...)
  12. Gourd neck, lettering in cartouche
    - 'aka kin pun' ('gold' powder)
  13. Embossing
    - 'karazuri'

And the fish? The fish are simply untouched paper.
The background green is rubbed vigourously to flatten
the paper, leaving the fish shapes standing up in relief.