[Below: Item #1. These are strange and I've never seen them before. At the top it says 'Return receipt from the District Administrator, District of Youth Welfare Office (Guardianship)'. It also says 'Since acceptance was refused, since the recipient was not found and delivery could not be effected, the document was left with the recipient, deposited at the post office where it was issued.' I'm guessing these are options to mark depending on the situation.]

[Below: Reverse.]

[Below: Item #2.]

[Below: Reverse.]

[Below: Item #3. The reverse of this one is blank.]

[Below: Here are a variety of postal forms and receipts. This first one is a 'cash on delivery (COD)' receipt from St. Pölten, January 4, 1943.]

[Below: Reverse.]

[Below: This is another 'cash on delivery (COD)' receipt from Berlin, June 1, 1938.]

[Below: Reverse.]

[Below: This is another 'cash on delivery (COD)' receipt, not sure why it is a different color than those above, maybe because it is a year later? Note in blue (under Nachnahme) is the word 'Zurück', this means 'return', meaning they couldn't find the addressee. July 17, 1942.]

[Below: Reverse. Note someone with the same blue pen crossed out this bad address.]

[Below: This is a parcel receipt, from Chemnitz, March 21, 1944.]

[Below: Reverse.]

[Below: This is a parcel receipt, from Munich, May 25, 1943. This had a value of 1,000 RM! A lot of money back in 1943.]

[Below: Reverse.]

[Below: This is a parcel receipt, from Berlin, May 12, 1943. This had a value of 550 RM and was sent to the Chief Superintendent of Police.]

[Below: Reverse.]

[Below: Here is an interesting parcel receipt, from Feldpost and Stalag XIII B, on February 29, 1944 (a leap year!). This had a value of 6,000 RM and was sent to the Reichsbahn.]

[Below: Reverse.]

[Below: Here is a parcel receipt from Harlingen, June 5, 1944.]

[Below: Reverse.]

[Below: Here is a parcel receipt canceled on a train (the oval cancel).]

[Below: Reverse. This was received on May, 5, 1944]

[Below: Here is a parcel receipt from Stolp, Pomerania, August 16, 1944.]

[Below: Reverse. This has high value 1 RM stamps used.]