Oysters are the jewelers of the sea! This vintage illustrated canvas proves it by depicting the several steps from unopened oyster shell to perfect pearl. Collection Maison: original and unique canvas made by Made from 1 1/2 inch Canadian basswood, theyll never warp Our extra thick poly-cotton canvas simply wont sag Theyre printed with green-certified inks And they wont fade for 200 years (!)Canvas comes unframed. Framing option available above.