Kars2026at10
The 600 series tin plate cars are a set l wouldn't mind having.
Tho there are plenty of photo's available of the 602, an owner manual is scarce.
Production dates l have found are 1933 to 1942.{no guarantee on dating}
Link to the REAL 600 series cars:
http://www.greatthirdrail.org/rollingstock/6-700s.htmlSorry l can't offer more help other than to tell you to continue your online hunt for information.
Happy Rails!
dave