German Postal Stationery Items ID Help Needed

I came across these three items.
Item 1: In am pretty sure this is a postal money order form, but am not sure what the "Freimark" is all about. Is this a Military use item, or just a generic pre-postage version item.....



Item # 2: This may or may not be a receipt of somekind?
Any ideas?



Item 3. I am pretty sure this is a portion of an item, Ration card?
Please advise.



Anyone that can speak German and can translate these three items I thank you beforehand.

#1 is a Postanweisung, or postal money order. I don't have access to my references at the moment so I can't try to look it up. I'm not even sure it will be in the catalogs, as it doesn't have pre-printed postage. The text at upper right is "Zum aufkleben der Freimarke durch die Post", which roughly translates as "attach postage here to mail through the Post".

#2 is a Nachnahme, or C.O.D. receipt. The text at upper right is "Freimarken durch den Absender, hier aufzukleben; weitere Marken, wenn nötig hierneben (unten und über den Vordruck "Nachnahme"), nicht auf die Rückseite", which translates roughly as "stamps of the sender are attached here; other stamps, if necessary, are over or under the word "Nachnahme" or on the back".

3. I'm not sure exactly what this is, so I'll have to do some more digging. It appears to be some sort of receipt. The top left references cash-on-hand, and has a space for justification if the cash exceeds the amount allowed by rule. The columns at bottom list different categories of mail or documents, with a value, sending office, and receiving office.

Thanks PostmasterGS. That helps.