Japanese set has symbol: s10b and will count 71 basic cards plus extra Special Rare and promotional cards.
Pokemon GO revealed a cards list
Pokemon GO Cards booster pack
Japanese booster pack artwork for Pokemon TCG: Pokemon GO [s10b] cards set
Title JP: ポケモンカードゲーム ソード&シールド 強化拡張パック Pokémon GO
Title Eng: Pokemon Card Game Sword & Shield Pokémon GO Expansion Pack
Release date: June 17, 2022
Price: 260 yen per pack (tax included)