Does it have mastercard or visa logo? Be remember visa logo not visa electron. If yes , then you can verify it. But how you get its statement? If you cant get its statement , then don't use it. It will put you in problem.
Gift Card is like a VCC and it is against the TOS of PayPal to verify your account using a VCC, Even if you are able to do so, your account will account will be limited in due time