Sorry for answering so late ,I was in my garden ,preparing fire-wood for the next winter.
CONGRATULATION Skytrain10 ,you are right :
It's a rare very good picture of the ALBATROS L 68d trainer ,not even in HISTAVIATION
You have the control .
Thank you all for participating
Richard
By the way ,the L 68 version were very different from each other :
L 68 and L 68a were designed by Schubert ,L 68 c,d,and e by Blume .