Where it comes from
The line in the source
"productTitle": "ポケモンジム ジム拡張第2弾「闇からの挑戦」", "releaseDate": "1999年 6月25日（金）", "description": "カード／10枚" Explore / Figure
Record
JP expansion-pack release date, 25 June 1999 | 1999 | year to February 2000 (Mar 1999-Feb 2000) | print-year Apr 1999-Mar 2000
25 June 1999 25 June 1999 | 1999 | year to February 2000 (Mar 1999-Feb 2000) | print-year Apr 1999-Mar 2000
FiledTaken from a filing, a registry or the company’s own published page.