Dedenne is card #SWSH080 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by Yuu Nishida. At about $2.39 it is the #183 most valuable card in the set. It is one of 28 Dedenne cards printed so far.
2014Furious Fists
2015BREAKthrough
2018Forbidden Light
2019Unbroken Bonds
2021Shining Fates Shiny Vault
2022Brilliant Stars
2024Paldean Fates
2026Perfect Order

















See the full SWSH Black Star Promos card list
An ungraded Dedenne from SWSH Black Star Promos sells for about $2.39. A PSA 10 is worth more, roughly $11.95 by our estimate, and a PSA 9 around $5.50.
It is a Promo.
Yuu Nishida drew the art for this card.