Short note with autograph Theodor Wachtel

A short note dated 16 November 1871, written and signed by Theodor Wachtel.
The text reads as follows:

Dear Sir !
I send to you this
autograph, and hope
You will kindly remember
Yours truly

Theodor Wachtel
16/11 71 First Tenor to the court
of the Emperor of Germany

The blue seal shows his honorary title:
"Theodor Wachtel Königlich Preussischer Kammersänger"