US
1944- Label and catalog number
- Victor P-146
- Format
- Shellac, 10", 78 RPM, Album · Camden Pressing
- Runout / matrix
20-1549AA side runout
20-1549BB side runout
20-1550A 25523AC side runout
20-1550BD side runout
Vinyl pressings
by Various Artists · 1944
Up Swing was first pressed on vinyl in 1944. Every vinyl pressing is listed below with its label, catalog number and runout codes, so you can tell an original from a reissue.
3 pressings came out in 1944, the album's first year. 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.
20-1549AA side runout
20-1549BB side runout
20-1550A 25523AC side runout
20-1550BD side runout
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 |
|---|---|---|---|
| 1944 | US | Victor P-146First yearShellac, 10", 78 RPM, Album | Shellac, 10", 78 RPM, Album |
| 1944 | US | Victor P-146 / Victor P 146First yearShellac, 10", 78 RPM, Album | Shellac, 10", 78 RPM, Album |
| 1944 | US | Victor P-146 / Victor P 146First yearShellac, 10", 78 RPM, Album | Shellac, 10", 78 RPM, Album |
| 1946 | US | RCA Victor P-146Shellac, 10", 78 RPM, Album, Repress | Shellac, 10", 78 RPM, Album, Repress |
| 1948 | US | RCA Victor P-146Shellac, 10", 78 RPM, Album, Repress | Shellac, 10", 78 RPM, Album, Repress |
| 1948 | US | RCA Victor P-146 / RCA Victor P 146Shellac, 10", 78 RPM, Album, Compilation, Repress | Shellac, 10", 78 RPM, Album, Compilation, Repress |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| 1951 | Canada | RCA Victor LPT 12LP, 10", Compilation, Reissue | LP, 10", Compilation, Reissue |
| 1951 | US | RCA Victor WPT-17 / RCA Victor WPT 177", 45 RPM, Album, Compilation | 7", 45 RPM, Album, Compilation |
| 1951 | US | RCA Victor LPT 12LP, 10", Compilation, Reissue | LP, 10", Compilation, Reissue |
| Year | Country | Label and catalog number | Format |
|---|---|---|---|
| ? | Canada | RCA Victor P 146Shellac, 10", 78 RPM, Album, Compilation | Shellac, 10", 78 RPM, Album, Compilation |
10 vinyl pressings of Up Swing are listed here, from 2 countries, released between 1944 and 1951.
The earliest pressings are from 1944, in US. One of them is Victor P-146.
Check the catalog number on the label (first-year pressings use P-146) and the codes etched in the runout groove, then compare them with the pressings listed above; for example, 20-1549A and 20-1549B. 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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