Postcard sent to SS guard of Gestapo prison Terezin 1941 - Holocaust - KZ

I combine shipping
Mega rare Waffen-SS Feldpost card, sent by a girl to a SS guard of the 3rd/SS Wachbattalion in Bohemia-Moravia in Brno. This battalion is mentioned on the German google.books website. The battalion guarded the inmates of Gestapo prison in Brno, also well known as "small fortress Terezin". The prison was the largest in Bohemia-Moravia. According to English Wikipedia, 32.000 people arrived there and were usually sent to a concentration camp. 2500 inmates died in the fortress because of torture and diseases. Commander of the fortress was SS-Hauptsturmführer Heinrich Jöckel.
On the offered postcard is a Wehlau postmark and the note "SS-Feldpost". The receiver address reads: Sturmmann Werner Reintrog - 3 ./SS Wachbattalion - Bohemia-Moravia - Brno - official mail
The text reads:
deear Werner, thanks for your kind letter. I send you this postcard, shows the horse market in Wehlau. Send me a letter again. I must leave from here on 1. February and need to move to Königsberg, Singmayer street 26 by Peper. Again, best regards, yours Elsa.