Ill explain exactly what the model is in case I did something wrong.
Each number and the + and - symbols are separate shapes named differently in accordance to the number and which slot they go in.
The yellow highlighted bits being the coin parts, the minus and plus being the - and +, and the a0, a1, a2 and so on are the numbers.
Material 1 is the blank texture and mat3 and 4 are for the coin. There is no texture 2
The model itself faces on the same vertex as weapons and hats do, so I'm not sure why its rotated like that.
As far as I can tell, the model itself is okay.
The only thing I can guess happened is that the LOD wasn't set right (I usually export at 2). Im not exactly sure what the LOD does, but Ive never had luck with models that aren't at 2. Ill try and repackage the model for you with the LOD set to 2. This, however, will set all shape names to have a 2 at the end so "a3" will become "a32".