Colgems Records
Single Matrix Codes

1st Character: Year

T - 1966
U - 1967
W - 1968
X - 1969
Z - 1970

 

2nd Character: Label Designation

P - Popular
Z - Colgems

 

3rd Character: Size & Speed

K - 7" 45 RPM

 

4th Character: Groove

M - Mono
S - Stereo

 

Last Train To Clarksville/
Take A Giant Step

TPKM - 4622/ 4520

 

I'm A Believer/
(I'm Not Your) Steppin' Stone

TZKM - 7744/ 4620

 

A Little Bit Me, A Little Bit You/
The Girl I knew Somewhere

UZKM - 4406/ 8185

 

Pleasant Valley Sunday/
Words

UZKM - 5437/ TZKM-4723

 

Daydream Believer/
Goin' Down

UZKM - 5438/ 7315

 

Valleri/
Tapioca Tundra

TZKM-4727/ UZKM-9783

 

D. W. Washburn/
It's Nice To Be With You

WZKM-0130/ 0129

 

Porpoise Song/
As We Go Along

WZKM - 5346/ 5342

 

Tear Drop City/
A Man Without A Dream

TZKS - 4731/ XZKS - 0123

 

Promotional Mono Single

TZKM - 4731/ XZKM - 0123

 

Someday Man/
Listen To The Band

WZKS - 2399/ 5398

 

Good Clean Fun/
Mommy And Daddy

WZKS - 3077/ 5310

 

Oh My My/
I Love You Better

ZZKS - 4843/ 4842