COBs for 20-tone Roller Organs (such as, for example, for a GEM Roller Organ): All ORIGINAL with good pins, some labels are good, others are worn. Tunes are identified. $15.00 each plus s/h. MINIMUM ORDER: 2 COBS, please! When ordering, please also email me [john@phonographs.org] indicating which cob number(s) you are ordering. The following cob numbers are available: 1, 2, 6, 12, 20, 27, 50, 65, 93, 102, 108, 109, 120, 123, 127, 138, 139, 147, 151, 162, 170, 190, 194, 196, 212, 224, 226, 242, 245, 247, 283, 299, 345, 349, 385, 519, 521, 526, 559, 600, 623, 634, 669, 670, 674, 675, 677, 678, 680, 681, 682, 704, 706, 707, 746, 1136, 1172, 1173. Also available are cobs for which the numbers were lacking and hence are unidentified: Cob # A has a title that starts with “Just…”, and Cob # B has a very pretty tune, but title is unknown. [Numbers struck out are no longer available.]