call or email the guy that done it and ask him but if thats not an option then you will basicaly have to flash it yourself and put on the firmware you want or need.
You cant tell by physically looking at it. But if you wanna know the firm youve got follow the guide to get your Orig.bin. Then look at your orig.bin with whatever programme you choose. Maximus firmware toolbox works well for Hitachi and it will say what patch you got running.