No reason for these to be labeled as reproduction any more than a replacement jewel case for a CD based game like the normal PS1 or Dreamcast games.
I'm glad these are finally a reality. I'm just not sure that I will invest in them myself. I switched my Saturn and Sega CD games over to DVD a long time ago, and at this point, I don't think I'm going to change back.
I wish the best for the seller and congratulate him on making these a reality.
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Maybe, just once, someone will call me "sir" without adding, "you're making a scene."