Nintendo Error Ancient Mew value

[Master_Shaymin]

Can anyone help me with an accurate value on the Nintendo Error variant of Ancient Mew? There is not a lot of current information on this card anymore it seems and ebay I never find reliable as a guide.

 

[Sensei]

Check out Virbank City Pokemart on Facebook. You will have to join them. They will have people that buy and sell and have knowledge of pretty much anything Pokemon.