TD pin....perhaps pre-Organization Todt

[U-21]

Hello guys, in my quest to catalog all the pins that I have the recently found, I came across this specimen with the initials TD.
It could be something related all'Organization Todt?

Thank you all in advance
Regards
Uwe

[Gerdan]

I think it means "D T" - DeutscheTurner

http://www.ebay.de/itm/ANSTECKNADEL-...-/391405136402

https://www.hood.de/i/altes-abzeiche...0-44425744.htm

Gerdan

[U-21]

Many thanks!

Uwe