Hiroshi KOYAMA
1955, Japan
Also known as: KO
![Sa Iv by Hiroshi KOYAMA](https://www.artsignaturedictionary.com//images/upload/auction/58/5892c5288f81c988515299bac70e3b7d-500.jpg)
Sa Iv (-90)
Price SEK 4,000 (€463)
Estimated SEK 4,000–5,000
![Koma 1 by Hiroshi KOYAMA](https://www.artsignaturedictionary.com//images/upload/auction/10/107f0e041ca7ecf12aa575feecce3342-500.jpg)
Koma 1
Price SEK 3,200 (€356)
Estimated SEK 3,000
![Koma 1 by Hiroshi KOYAMA](https://www.artsignaturedictionary.com//images/upload/auction/5f/5f1027fc96de04ad4ea00c83a8680bb9-500.jpg)
Koma 1
Price SEK 0 (€0)
Not sold
Estimated SEK 8,000–10,000
![Button by Hiroshi KOYAMA](https://www.artsignaturedictionary.com//images/upload/auction/9c/9c853a31e5b3e4d48cecbf48d619f024-500.jpg)
Button
Price SEK 0 (€0)
Not sold
Estimated SEK 6,000–8,000