Is this Lugia Legend real?

[apikachua]

hi guys i wanted to know if my cards Lugia legend 029/070 030/070 are fake,
because the back is plastic like to the touch it feel different than my other modern japanese cards, also the back is more yellow instead of brown
is it normal ?
see some pictures if it help
thanks

[fourthstartcg]

Looks legit to me. Maybe it’s just a bit worn or something?

[xileets]

Specific concerns?

[renato]

looks legit

[apikachua]

Thanks for your opinions , it must be real :D, i have the ho-oh with the same plastic-like touch back
Maybe the ultra rare of the past have this texture