This is an estate find that I was unable to match up. The logs may not be original. It matches closest to the 563. As is

Marx 563 O 6" Tinplate 4-wheel Lumber Car is a vintage model train freight car made of tinplate, perfect for collectors and hobbyists. With a scale of 1:48 and a length of 6 inches, this pre-built flatcar features a classic black color and operates on a Three-Rail System. Made in the United States by the well-known brand Marx, this C-4 Fair graded item is a unique addition to any model railroad setup.