The SS was founded in 1923.
But not until the year 1925 was the
term S.S (Schutz Staffel) was used.

On January 30, 1938, higher grades
of this badge 4 classes
were given:
* Black Metal for 4 years
  (Not Given to Officers)
* Bronze Metal for 8 years
* Silver Swastika & Bronze Metal for 12 years
* Gilt Swastika & Bronze Metal for 25 years

VALUE = $200 - $325

MARKING:
"Fur treue Dienste in der S.S."
means:
For Loyal Service in the S.S.