Gossifleur is card #SWSH010 of 307 in SWSH Black Star Promos (2019), a Promo illustrated by Naoki Saito. At about $0.49 it is the #289 most valuable card in the set. It is one of 8 Gossifleur cards printed so far.
2019SWSH Black Star Promos
2020Sword & Shield
2021Evolving Skies
2022McDonald's Collection 2022
2024Stellar Crown

















See the full SWSH Black Star Promos card list
An ungraded Gossifleur from SWSH Black Star Promos sells for about $0.49. A PSA 10 is worth more, roughly $2.45 by our estimate, and a PSA 9 around $1.13.
It is a Promo.
Naoki Saito drew the art for this card.