Concentration Camp Mail and Holocaust period

Sachsenhausen, lettersheet (Simons type 8) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "A" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 10) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "C" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 7) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "E" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 7) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "G" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 7) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "H" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 10) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "H" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 8) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "H" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

Sachsenhausen, lettersheet (Simons type 7) with 12pf Hindenburg, ORANIENBURG cds, censor cachet "L" of Sachsenhausen, from Jaroslav Dvorak, to Zamberk, Bohemia, 1941

ORANIENBURG CONCENTRATION CAMP (018551)
Ingoing parcel card, bears Bohemia 1K50 and 2 x 8K Hitler, PRAG cds, to Franz Salalek at Oranienburg concentration camp, 1943

BUCHENWALD (018558)
Concentration camp mail, postcard with 6pf Hindenburg (damaged, probably by checking for secret message under stamp), from WEIMAR cds, from inmate 1251, but otherwise no control or censor cachet, to a relative in Prag, 1941

MAUTHAUSEN (018568)
Concentration camp mail, printed envelope unusually frnked with Poland Generalgouvernement 12g/6pf Hindenburg, MAUTHAUSEN cds, violet "Poststelle K.L.M." control cachet, and large boxed violet instructional cachet "Jede Geld- oder Postsendung" on reverse, to Grodzisk-Mazow (GG), roughly opened at one edge, 1940

DACHAU (018570)
Concentration camp mail, printed envelope (and printed letter sheet contents) with 12pf Hindenburg, DACHAU cds, violet boxed "Postzensurstelle / K/L/Dachau" to Warsaw, 1942

DACHAU (021214)
Concentration camp mail, printed letter sheet with 12pf Hitler, DACHAU cds, boxed "Postzensurstelle / K/L/Dachau" censor, from inmate Stanislaw Smolarek, to Litzmannstadt, 1943