Reverse Holo cards from High Class Pack Shiny Star V (S4a) were listed
High Class Pack Shiny Star V (S4a) is the fourth Japanese subset released during the Sword & Shield Era, and was released on 20 November 2020.
This set contains 190 cards plus 9 SR, 104 S, 23 SSR, and 4 UR cards.
S4a: High Class Pack Shiny Star V 
Also non-holofoil cards feature Reverse Halo Holofoil.
Reverse Holo / S4a:Shiny Star V 
This set contains 190 cards plus 9 SR, 104 S, 23 SSR, and 4 UR cards.
S4a: High Class Pack Shiny Star V 
Also non-holofoil cards feature Reverse Halo Holofoil.
Reverse Holo / S4a:Shiny Star V