OPEN LETTER by CASE has sold 500,000 copies in United States.
OPEN LETTER certifications and sales
|Country / region||Sales||Certification / source||Certification date / sales as of|
|United States||500,000||1x Gold||12 June, 2001||
Certification / note: 1x Gold
Certification Date / sales as of: 12 June, 2001
|Total sales||500,000||(in 1 country)||
(in 1 country)