Help with a road sign meaning “armoured battalion?”

[Gmac]

Hello all!

I’ve had this since 2016 when I bought it in a market in Split Croatia.

the only things I know about it is it was found in Slovenia, it’s apparently German ww2 and based on my research a battalion armoured(?) sign.

I’m not sure what the numbers mean beyond guessing 1st batallion armoured 33 something.

My only concern is I know there was a lot of activity in this area during the Balkan wars in the 90’s so I’m sure there were a lot of signs like this kicking around.

Any thoughts at all would be appreciated.