It’s not the current board. I am guessing the lens and board are about 30 years old. The new board alone costs more than a nice used lens including board.
Edit, the lens is ~40 years old. Serial number 13 750 xxx.
http://camera-wiki.org/wiki/Schneider_serial_numbers
The Apo-Sironar-S 150 also folds nicely into the Technika on a flat board (a Master in my case, but should fit into a V, too), only without lens caps. Having had a choice between a 150 Apo-Symmar-L on a recessed board 001015 and a similarly priced Apo-Sironar on a flat board, I decided for the Rodenstock and like it very much.
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