|Title||Design for composition with red yellow and blue|
|Format||Gouache on cardboard|
|Size (h,w)||28.6 x 22.9 cm|
|Signed||It appears to be annotated and signed on the cardboard.|
|Credits||Image from L'armonia perfetta.|
|Notes||The Triton Foundation was formed by Dutch shipping magnate, Willem Cordia, who died in 2011. It is, therefore, now likely to be somewhere else.
This appears in the Gemeentemuseum Catalogue with an article which I will try to obtain a translation for. It is not listed in the Catalogue Raisonné.