Pirated cart with a plastic box, the cover art is the same as Sonic The Hedgehog 3 cover art for the Sega Genesis, which were how SNES games were commonly rented out in Brazil.
A boxed copy in a Super Famicom style cart.
Same as the one above, but in a Super Famicom shell.
Multicart with "Sonic & Knuckles".
A 9-in-1 cart in a Super Famicom shell. The third game is "Sonic 4".