Vintage Marx Rollover Roll Over Tank #5 Tin Toy Wind-Up

The toy is all original and in good shape! Note there are light scuffs but, overall, the litho is bright and colorful. There is also a small round rust spot on the top. The toy easily wound up. It ran but I thought it ran a little weak compared to the other rollover tank I have a on video. I'm assuming the motor needs a little oil or the spring isn't as strong. The tank measures 4" inches across and is 2 1/2" inches wide. All tin except for the wooden wheels. ... opamerica