Thank you for contacting Mearto with your appraisal inquiry. Based on the photographs and description provided, the subject of this appraisal is a Louis Marx O-Gauge Model 999 flat pilot locomotive circa late 1940s to 1950s.

According to the current owner, the piece was acquired via inheritance. This is a fairly common 999 model as Marx produced a handful of variations.

Condition of the piece is fair with some paint loss and a bar bend noted. This model commonly sells among collectors between $10 and $20 in similar condition.