
- Artist
- The Who
- Title
- Happy Jack
- Label
- Reaction 591010
- Country
- UK
- Released
- December 3, 1966
- Format
- 7", 45 RPM, Single, Mono
- Format notes
- Three-Prong Push-Out Centre
Runout and matrix codes
Etched or stamped in the dead wax between the last track and the label. If yours match, you have this pressing.
- 591010ASide A label
- 591010BSide B label
- ✲P✲ 591010 A//8 1 1 5Runout side A, variant 1
- 591010 B ▽ 1 1 2Runout side B, variant 1
- 591010 A ▽ 2 1 1 1Runout side A, variant 2
- 591010 B ▽ 1 1 1 1Runout side B, variant 2
- ✲P✲ 591010 A//7Runout side A, variant 3
- 591010 B ▽ 1 1 1Runout side B, variant 3
- ✲P✲ 591010 A//7 1 1Runout side A, variant 4
- 591010 B▽1 1 2Runout side B, variant 4
- ✲P✲ 591010 A//8 1 1 1Runout side A, variant 5
- 591010 B ▽ 1 2 1Runout side B, variant 5
- ✲P✲ 591010 A//7 1Runout side A, variant 6
- 591010 B ▽ 1 1 9Runout side B, variant 6
- ✲P✲ 591010 A//7 1 8 1Runout side A, variant 7
- 591010 B ▽ 1 1 1Runout side B, variant 7