> So I've been eyeballing differences between legit and pirate carts for DS recently,
> even picked up a very fake Ecclesia cart for educational purposes (have a legit copy
> to pair it up against) and I'm picking up on most of the telltale things (Minor flaws
> in Nintendo logo, spacing issues on back layout, obvious stamping defects, splotchy
> serial number prints, high contrast on label prints) but one thing I recently ran
> across in a recent purchase gave me pause; I picked up Megaman ZX and ZX Advent in
> a two-fer, and ZX seems 100% fine. ZX Advent seems MOSTLY fine, except for the back,
> which doesn't have a serial number printed on it at all.
> I haven't placed a legit cart up to it, or a fake one up to it, to check for any
> consistencies yet, but in all other aspects the cart seems fine, it's just that the
> SN portion on the back is completely clean, nothing there. This a practice possibly
> with late life cycle DS reprints, or am I missing something?
> Honestly starting to feel grossed out that this is something I need to keep tabs
> on this closely. Can't even use the "Does it work on DSi" test, because that Ecclesia
> fake works totally fine on my DSi XL, so. But basically, question boils down to:
> Can legit carts not have a SN print?
From first hand experience, the code on the back of cartridges can fade, or be completely removed, if cleaned with rubbing alcohol. This isn't always the case, however if I had to guess, that would be it.
Let me see if I still have an old bootleg guide I made for my work. I go pretty in depth on how to identify them.