Canaletto Walnut

It sounds like you’re referring to a specific type of flooring, “Canaletto Walnut,” possibly from a product line named “Showfloor.”
Product specification
Product Name: Canaletto Walnut
Plank Size: 14/3.2 x 120 x 600
Plank per box: 10
Qty per box: 7.75
Specifications: Walnut flooring, T&G All around,UV Lacquer