US
1954- Label and catalog number
- EmArcy MG 36002
- Format
- LP, Album, Mono
- Runout / matrix
MG 36002A MS2 FRunout, Side A stamped
MG 36002B MS3̸3 M511Runout, Side B stamped, M511 etched
MG 360002 ALabel, Side A
MG 360002 BLabel, Side B

Vinyl pressings
by Various Artists · 1954
Jam Session was first pressed on vinyl in 1954. Every vinyl pressing is listed below with its label, catalog number and runout codes, so you can tell an original from a reissue.
5 pressings came out in 1954, the album's first year, in 5 countries. Compare the label and catalog number on your copy, then the codes etched or stamped in the runout groove (the dead wax around the label): they are the surest sign of an early pressing.
MG 36002A MS2 FRunout, Side A stamped
MG 36002B MS3̸3 M511Runout, Side B stamped, M511 etched
MG 360002 ALabel, Side A
MG 360002 BLabel, Side B
MG-360002 ALabel, Side A
MG-360002 BLabel, Side B
YMG 36002A MSide A, stamped
YMG 36002B 2 MSide B, stamped
Not sure how to read the runout? See matrix numbers, runout and dead wax and how to tell a first pressing.
By decade, oldest first. Open a pressing for its full label, barcode and runout details.
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| 1954 | Argentina | EmArcy MG 36002 / EmArcy MG-36002First yearLP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1954 | Australia | EmArcy MG 36002First yearLP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1954 | Canada | EmArcy MG 36002First yearLP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1954 | Netherlands | EmArcy MG 36002First yearLP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1954 | US | EmArcy MG 36002First yearLP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1954 | US | EmArcy MG 36002LP, Album, Repress, Mono · Mono | LP, Album, Repress, Mono · Mono |
| 1956 | UK | EmArcy EJL 103 / PYE Records EJL 103LP, Album | LP, Album |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| 1967 | Japan | Mercury SM-7264(M)LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| 1971 | Japan | EmArcy 15PJ-2017(M)LP, Album, Mono · Mono | LP, Album, Mono · Mono |
| 1971 | Japan | EmArcy 15PJ-2017(M) / Mercury 15PJ-2017(M)LP, Album, Promo, Mono · Promo, Mono | LP, Album, Promo, Mono · Promo, Mono |
| 1972 | US | TRIP TLP-5544LP, Reissue, Repress, Mono · Mono | LP, Reissue, Repress, Mono · Mono |
| 1973 | US | Mercury MG 36002 / EmArcy MG 36002LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| 1974 | Japan | Mercury BT-1330 / EmArcy BT-1330LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| 1977 | Japan | EmArcy SFX-10553(M) / Mercury SFX-10553(M)LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| 1978 | US | TRIP TLP-5544LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| 1982 | US | Mercury EXPR-1012 / EmArcy EXPR-1012LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| 1983 | Japan | EmArcy 195J-4LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
| 1983 | Japan | EmArcy 195J-4LP, Album, Promo, Reissue, Mono · Promo, Mono | LP, Album, Promo, Reissue, Mono · Promo, Mono |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| ? | Japan | EmArcy SFX 7397(M) / Mercury SFX 7397(M)LP, Album, Mono · Mono | LP, Album, Mono · Mono |
| ? | Japan | EmArcy SFX 7397(M) / Mercury SFX 7397(M)LP, Promo, Mono · Promo, Mono | LP, Promo, Mono · Promo, Mono |
| ? | US | Mercury MG 36002 / EmArcy MG 36002LP, Album, Reissue, Mono · Mono | LP, Album, Reissue, Mono · Mono |
21 vinyl pressings of Jam Session are listed here, from 7 countries, released between 1954 and 1983.
The earliest pressings are from 1954, in US, Argentina, Australia, Canada and more. One of them is EmArcy MG 36002.
Check the catalog number on the label (first-year pressings use MG 36002) and the codes etched in the runout groove, then compare them with the pressings listed above; for example, MG 36002A MS2 F and MG 36002B MS3̸3 M511. Later reissues often keep the catalog number but change the label design or the runout codes.
It depends on which pressing you have and on the condition of the record and its sleeve. Early pressings from the album's home country in near mint condition are usually worth the most; common later reissues are worth far less. Scan your copy with VinylLens to see its value for every grade.

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