@FRENCHTRAINS posted:It is a German MARKLIN tunnel. Reference 2521/1 and it dates from 1915 to 1930. There is many color variations as they where hand painted.
You can find it here https://www.historytoy.com/mae.../1-1046/1-tunnel-tin
Very best, Daniel
Hi Daniel:
Merci beaucoup for the information on the tunnel and the link to that data base.
Bill