its legit slide film of the era. My late father was very much into photography especially in 1970s and 1980s and shot a lot of slide film in his youth, in Malaysia (his native country), Europe and UK.
So I got to learn at an early age the subtly different colour rendition of various filmstocks (Kodak, Agfa and Fuji) from when Dad put them in the slide projector, and I'd also read his photo magazines and learn about things like ISO/ASA, grain etc.
Unfortunately my family weren't affluent enough in 1980s for me to do much photography, so I only got back into it when digital cameras became common but I can recognise the "look" of certain films (modern digital cameras, especially from Fuji sometimes also try to emulate these)