Can Science help distinguish replica, metal-made collectables?

[grumpy]

Originally Posted by Drmiggy

It actually seems reasonable, especially for those high end badges that can cause debate. I would quite willingly pay an extra tenner and be sure I have an original. Yes experience does come into the equation, but experience with evidence, that’s one step further. Bring it on. Thanks

such testing could well embarrass the "experts". Quite a few badges condemned as fakes or repro. might turn out to be kosher.
Be careful what you wish for!