[MTsumi]

I don’t agree that it works both ways. Some technique may categorically prove it’s fake in the future, but no method will categorically prove it’s real.

[Captain Walker]

I don’t agree that it works both ways. Some technique may categorically prove it’s fake in the future, but no method will categorically prove it’s real.

The simple fact it's a photographic negative is the proof that it's real.

[raygunfan]

so....science of the gaps....got it.