Although not a limited edition, sales of this pin were halted at #300 when London Regional Transport objected to use of the Tube (Subway) logo. (And please, Remember to 'Mind the Gap') Some of the unsold pins were given away at the January 2006 Orlando 'Pinvitational' event. Painted style. Back: Small Boxed 4 Lines print. Logo - Musical Theme - Guitars, Drums, Pianos & HR Logos etc Pattern. This pin was sold through retail and/or online. Base Material is Silver Appearance.