Label variation. This release - letter S at 9 o'clock adjacent to tax code K/T; inverted matrix number at 3 o'clock in curly brackets Mystic Eyes letter S at 3 o'clock beneath catalogue number; inverted matrix number at 3 o'clock in curly brackets Mystic Eyes letter S at 3 o'clock beneath catalogue number; inverted matrix number at 3 o'clock without brackets There are also some differences in alignment of text at 9 o'clock across the three versions.