From the rear panel view, that one looks to be unmodified. ROM and disk drive swaps are reversible, and a RAM upgrade should be treated as a common sense contemporary enhancement.

WRT carrying case: I've been looking at photos of these over the last couple of days, and still can't work out what colour they are supposed to be. Depending on lighting conditions, they appear to be grey, green/grey and even beige with tones of pink.