1965 West German Army Folding E-Tool Trench Pick/Shovel + Leather Sheath (Green)

Description

From what I can tell from trying to research, I believe this is a 1965 West German army folding trench shovel/pick, with leather holster.  It's in great shape compared to a lot of others I found pictures of online.  There is VERY minimal rust, which seems to be uncommon with these.  I have had it for about 20 years.  I think I bought it at a flea market somewhere.  It is marked with serial number (5120-12-121-1532) with the year 1965.  The leather pouch has a different serial number (5120-12-140-2218) and is also marked 7/65Pausch.  Mad in Germany.  This is a great military collector piece.  Displays nicely.  See pictures.
If you can tell me any more about this item or see that I put something that is inaccurate, please let me know.  I'm not an expert on this stuff.  Thanks!
Ships Priority Mail.  I combine shipping.  Pictures are of actual item you will receive.  (I don't use stock photos.)
I also have a black German trench shovel that I am trying to find one like, but haven't been able to find one just like it.  I believe it is older.  (Check out my other listings to see it.)  Thanks for looking!