The following is a gallery of concept art for the original Final Fantasy. All versions included.
Logo and cover artEdit
The original logo was simply stylized text on a black background, but for later versions Yoshitaka Amano artworks were used.
The original character artworks were drawn by Yoshitaka Amano, but other artists did work for the localized versions and guide books, e.g. see Nintendo Power Artworks.
Final Fantasy I & II: Dawn of SoulsEdit
Artwork for the Dawn of Souls edition of Final Fantasy was drawn by Gen Kobayashi.
Items and equipmentEdit
The original enemy artworks were done by Yoshitaka Amano.
Nintendo Power artworksEdit
Artwork found in the Nintendo Power gaming magazine for the original Final Fantasy.