- Artist
- Thelonious Monk
- Title
- Underground
- Labels
- Columbia PC 9632
- Columbia CS 9632
- Columbia 9632
- Country
- US
- Released
- Unknown
- Format
- LP, Album, Reissue
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.
- XSM 135866Matrix, label side A
- XSM 135867Matrix, label side B
- XSM -135866 G1A Barry A4 G1Runout, side A etched
- XSM 135867 G2A G1 A2 LB*MP7Runout, side B etched
Other US pressings of Underground
- ?Columbia PC 9632 / Columbia CS 9632LP, Album, Reissue, Stereo
- ?Columbia CS 9632LP, Album, Reissue
- ?Columbia PC 9632 / Columbia CS 9632LP, Album, Reissue, Stereo
- ?Columbia 9632 / Columbia PC 9632LP, Album, Reissue
- ?Columbia PC 9632 / Columbia CS 9632LP, Album, Reissue
- 1968Columbia CS 9632LP, Album, Stereo
- 1968Columbia CS 9632LP, Album, Promo, Mono
- 1968Columbia CS 9632LP, Album, Stereo
- 1970Columbia CS 9632LP, Album, Repress, Stereo
- 1970Columbia CS 9632LP, Album, Misprint, Repress, Stereo
- 1970Columbia CS 9632LP, Album, Reissue, Repress, Stereo
- 1970Columbia CS 9632LP, Album, Repress, Stereo