Did you swap your wallet back in 2014 from the PoW to PoS? If not, they may be but once again, the Dev team will need to validate that.
No I did not change from PoW to PoS. I got these coins as a long-term investment years ago and thought they were safe in my wallet. Which dev is still active and could I e-mail?
Neurocis is the Dev, check page 1 for contact details.
The PIGGY team is no longer performing swaps and gave one years notice of such (read back in this thread). I do not know if Poloniex can accept or swap coins from the old chain, you would have to reach out to them, would sure be awesome if they are.
But if not unfortunately the swap is many years past, before even me onboarding as dev. We continued swap for over a year, but unfortunately it is the nature of crypto that we do not have an email address to inform everybody directly. There was more than due diligence here in the forum.