Signature › Singapore River - Koeh Sia Yong Image 1 of 3 Image 2 of 3 Image 3 of 3 Singapore River - Koeh Sia Yong $9,800.00 Artwork by Koeh Sia Yong, Oil on Canvas.50 cm x 60 cm. Add To Cart Added! Artwork by Koeh Sia Yong, Oil on Canvas.50 cm x 60 cm.