Where it comes from
The line in the source
"productTitle": "拡張パック「金の空、銀の海」", "releaseDate": "2005年 4月 4日（月）", "description": "カード／11枚(うち、キラカード1枚)" Explore / Figure
Record
JP expansion-pack release date, 4 April 2005 | 2005 | year to February 2006 (Mar 2005-Feb 2006) | print-year Apr 2005-Mar 2006
4 April 2005 4 April 2005 | 2005 | year to February 2006 (Mar 2005-Feb 2006) | print-year Apr 2005-Mar 2006
FiledTaken from a filing, a registry or the company’s own published page.
Found in one pass only. The research team reads every source twice, independently; this record turned up in one reading but not the other, so treat it as less certain than its grade.