Rear tank but original filler

[BigRed63]

I have recently purchased a 63 C10 lwb stepside, and the seller moved the tank to the rear he put and put a chrome locking filler door in the rear fender well. I know there are plenty of threads about moving the tank, but I was wondering if anyone has experience with keeping the original filler, in the cab, to keep the original look or another option that would still look like it was from the period. It's purely cosmetic, but I don't like the look of the chrome locking door.