1956
Kiyoshi Niiyama, 1946
Kiyoshi Niiyama, 1956
Kiyoshi Niiyama, 1962
Kiyoshi Niiyama, 1963
Kiyoshi Niiyama, 1952
![Shark Fins [variant II]](https://api.nga.gov/iiif/f6d70ca2-6203-4f30-a1df-6ce96c44a097/full/843,/0/default.jpg)
![Shark Fins [variant IV]](https://api.nga.gov/iiif/91daa8b8-7a9d-4a1e-ad1d-c9dcb965a6c5/full/843,/0/default.jpg)
![Shark Fins [variant III]](https://api.nga.gov/iiif/4944a329-055d-4b0c-8020-61ca6285edc5/full/843,/0/default.jpg)
