Part of a monthly series of 12 pins given by Hard Rock Cafe locations in Japan to customers celebrating their birthdays. Each pin is a black treble clef on a black and white staff, with a 3D birthstone gem at bottom of clef. Gem on April pin is white or clear. Month and year appear vertically in white on black banner at left side of pin. Hard Rock Cafe logo with no location name is at center of clef.
Base material: Gold appearance
Style: Painted
Back print: 4 lines
Back pattern: Hard Rock Cafe logos and Flying V guitars
Distribution method: Event giveaway
Release date: April 2008
Original retail price: None