2 Battailon Police regiment 19
Kl.Kw. Kol means Kleine Krafwagen kolonne. Small vehicle unit
Feldbahn Kompanie erkennungsmarke. Field narrow-gauge railway
L Mula Kittliztreben - Luftwaffe Munitionslager Kittliztreben.
Last time they are a lot in the market
Here is the Stamm kompanie marked, each letter separately stamped before inline one matrix made INF.ERS.BTL.58. The soldier who stamped it, probably make it for himself or just a joked, the blood group 0 is angled
Not a reach text Batl 51 V
Volkssturm Battailon 51. Steel example
That on is Erkennungsmarke for Grz J R123, 4 Kompanie.
Which means Grenzschutz Jnfanterie Regiment 123 - Borderguards Infanterie Regiment 123
Here is you can see the differences in the fonts and added text to the ID disc, Fahrrad Ersatz Schwadron