TCGPlayer sales for 1st Edition show up under Unlimited page

TCGPlayer sales for 1st Edition cards are showing up under the Unlimited version's page.

For example: https://www.pricecharting.com/game/pokemon-neo-revelation/raichu-21

In the example provided, the TCGPlayer ID for both the Raichu 1st Edition and Unlimited are the same, 88500.  But on TCGPlayer's side, there is an additional "Printing" filter that can be used to see only 1st Edition or Unlimited sales.