The RG&JS ("Canadian Model As") says
"Beginning of production through late 1929 the engine cylinders (blocks) were cast in Windsor, Ontario. Late 1929 through 1931 blocks were also cast in Sarnia, Ontario.
"The engine block and many of its components were painted Ford Engine Green lacquer. Ford Motor Company of Canada, Ltd acquired cast and forged engine components from several Canadian companies..."
Your photo shows up more medium blue than Ford Engine Green on my screen. Looks like your oil pan is Hunter Green instead of black. You have a whole palette of colors on your engine.