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Museum of the Game® & International Arcade Museum® Forums
@Takeman is considering a new run of HS1 panels in three versions.
The Forgotten Worlds and blanks panels are self-explanatory.
The third option is @kidrivers idea of making never-before existing HS1 panels for SF2 World Warrior. It seems like the overlay may have been designed for this configuration (as seen in this mockup from iconicarcade.com).