Studer heads, EMT TSD 15 - NOS

I have four NOS, never used. Recordings are both butterfly, reproducing is one butterfly and one normal. All surveyed, on disposal. And some original spare parts, trinkets are originally packed.

Recording:
1.317.130.00 butterfly
1.318.720.00 clasical

Reproduction:
1.317.235.00 butterfly
1.317.235.00 butterfly

https://photos.app.goo.gl/4UYi7ZzFIPVAKbgH3

The cartridge was inspected and measured in 1987 at EMT laboratories, when factory was still active.
I also have an interesting rustic Telefunken handle with a transformer, but I do not know if it's a step-up.

If you are tempted, please let me know.

With regards,

Igor.