This is a very nice puzzle by Nathan, belonging to their Blue Ocean collection. The title is Dolphin Vision, by Christian Riese Lassen.
This puzzle is not for sale and it only appears for documentation purposes.
Another puzzle in the same series is the 1000 piece version of Romance of the Sea, also by Christian Riese Lassen.
More information about Dolphin Vision:
- Puzzle size: 69.9 x 49.7 cm.
- Reference number: 37 x 27 x 5.3 cm.
- Reference number: 87 407 1.
- EAN number: 4005556874002.