I don't have reliable information about a specific work titled "Work C.243" by Masaaki Yamada in my training data. To write factually accurate sentences about this particular artwork, I would need to verify details about the artist, the work's creation date, its dimensions, provenance, or its exhibition history. I'd recommend consulting the artist's catalogue raisonné, a gallery that represents the work, or a museum collection database for accurate information about this oil painting.