Thanks for this suggestion.  If you give me the two links to the transactions I will look into this and handle the feedback.  The second one should definitely be removed if you refused to sell to them based on first interaction.

I've added this now.

https://www.pricecharting.com/game/nes/super-mario-3-left-bros

Thank you

I'll wait to see how popular the hardware is with other users before adding it.  We cannot add the games though because we only track prices for physical items.  We do not do digital and Stadia is all digital.

I've added that console to our site now and handled the backend coding to find those sales.

https://www.pricecharting.com/console/gizmondo

Users can add the system and games to that list.

Why do you want to value PAL games with the NTSC prices?  Or are the games listed in a particular lot actually NTSC instead of PAL?

X-men cards would be pretty sweet.  Are they based off the comic or the Saturday morning cartoon?

I've removed some of these that seem to be repros based on the prices.  Most of the sales are fairly old so I can't see what the listing actually said.  I'll keep monitoring this to try and see if I can find a pattern and remove these before they get into our system.

Thanks for the feedback.  I've removed some junk Vampire Kiss sales and the value has been recalculated.

For Aero Acrobat 2, this looks to be legitimate copy:

https://www.ebay.co.uk/itm/Aero-The-Acrobat-2-SNES-PAL-SNSP-AE2P-FAH-/124307471450

Can you tell me if it is otherwise?  And how you can tell.

I'll look into the other games too and remove any repros we can.

We do not want repros on the site and actively try to remove those.  Are there certain keywords that listings say in the description that indicate they are a reproduction?  We toss anything that says "reproduction" but we might be missing some other keywords that tell us to toss those.

I've added this now.

https://www.pricecharting.com/game/pal-super-nintendo/cool-world