Currently advertised for sale, all usual disclaimers etc. but will check my lottery numbers this week.
https://en.springbok.de/cars/details/?f=71
advertised as one of the Seikel ADAC cars.
Reading between the ad and an article in Drivetribe
https://drivetribe.com/p/seikel-moto...RQGL6Mc6zkogbQ
these cars seem lot more stock than the John Thompson built cars entered by Kramer and then by Honda at Le Mans in subsequent years.