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Willie Mabon and His ComboI Don't Know / Worry Blues

Vinyl pressings

I Don't Know / Worry Blues

by Willie Mabon And His Combo · 1952

11 pressings1 countryChicago BluesBlues

I Don't Know / Worry Blues was first pressed on vinyl in 1952. Every vinyl pressing is listed below with its label, catalog number and runout codes, so you can tell an original from a reissue.

How to spot a first pressing of I Don't Know / Worry Blues

7 pressings came out in 1952, 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.

US

November 1952
Label and catalog number
Chess 1531
Format
Shellac, 10", 78 RPM, Single
Runout / matrix

4315-2 37A side etched variant 1

4314-2 37B side etched variant 1

4315 37A side etched variant 2

4314-2 37B side etched variant 2

Full details of this pressing

US

November 1952
Label and catalog number
Parrot 1050
Format
Shellac, 10", 78 RPM
Runout / matrix

43I4 37Side A - runout

43I5 37Side B - runout

U-4314Side A - label

U-4315Side B - label

Full details of this pressing

US

November 1952
Label and catalog number
Checker 1050
Format
Shellac, 10", 78 RPM
Runout / matrix

43I4 37Side A - runout

43I5 37Side B - runout

U-4314Side A - label

U-4315Side B - label

Full details of this pressing

US

November 1952
Label and catalog number
Chess 1531
Format
7", 45 RPM, Single
Runout / matrix

U-43I5ⅠA1 E2KW 8790 - 1Side A - runout

U-43I4ⅠA1 E2KW 8791 · 1Side B - runout

U-4315Side A - label

U 4314Side B - label

Full details of this pressing

US

November 1952
Label and catalog number
Chess 1531
Format
Shellac, 10", 78 RPM
Runout / matrix

4315 37Side A runout

4314 37Side B runout

U-4315Side A label

U-4314Side B label

Full details of this pressing

US

1952
Label and catalog number
Chess 1531
Format
7", 45 RPM
Runout / matrix

45-4315 37Side A - runout etched

45-4314 37Side B - runout etched

U-4315Side A - label

U-4314Side B - label

Full details of this pressing

Not sure how to read the runout? See matrix numbers, runout and dead wax and how to tell a first pressing.

All 11 vinyl pressings

By decade, oldest first. Open a pressing for its full label, barcode and runout details.

1950s8 pressings
YearCountryLabel and catalog numberFormat
1952USChess 1531First year7", 45 RPM7", 45 RPM
1952USChess 1531First year7", 45 RPM, Single7", 45 RPM, Single
1952USChess 1531First yearShellac, 10", 78 RPM, SingleShellac, 10", 78 RPM, Single
1952USParrot 1050First yearShellac, 10", 78 RPMShellac, 10", 78 RPM
1952USChecker 1050First yearShellac, 10", 78 RPMShellac, 10", 78 RPM
1952USChess 1531First year7", 45 RPM, Single7", 45 RPM, Single
1952USChess 1531First yearShellac, 10", 78 RPMShellac, 10", 78 RPM
1953USChess 1531Shellac, 10", 78 RPM, Single, RepressShellac, 10", 78 RPM, Single, Repress
Year unknown3 pressings
YearCountryLabel and catalog numberFormat
?USChess CH 15317", 45 RPM, Single, Reissue7", 45 RPM, Single, Reissue
?USChess 15317", 45 RPM, Single, Reissue7", 45 RPM, Single, Reissue
?USChess 1531Shellac, 10", 78 RPM, RepressShellac, 10", 78 RPM, Repress

Tracklist

  1. AI Don't Know
  2. BWorry Blues

Questions

How many vinyl pressings of I Don't Know / Worry Blues are there?

11 vinyl pressings of I Don't Know / Worry Blues are listed here, from 1 country, released between 1952 and 1953.

When was I Don't Know / Worry Blues first released on vinyl?

The earliest pressings are from 1952, in US. One of them is Chess 1531, released November 1952.

How do I tell if my copy of I Don't Know / Worry Blues is a first pressing?

Check the catalog number on the label (first-year pressings use 1531, 1050) and the codes etched in the runout groove, then compare them with the pressings listed above; for example, 4315-2 37 and 4314-2 37. Later reissues often keep the catalog number but change the label design or the runout codes.

How much is I Don't Know / Worry Blues on vinyl worth?

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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