STEP 1

Create a new Document, 200×200 pixels, RGB color.  Fill the image with 50% gray (do Edit : Fill : 50% Gray).  The size doesn’t really matter, that size is used for the sake of this tutorial.

STEP 2

Filter:Noise:AddNoise.
Use:

• Gaussian
• Monochomatic
• Amount of 50

STEP 3

Filter:Noise:DustAndScratches.
Use:

• Radius of 1 pixel
• Treshold of 50 levels

STEP 4

Image:Adjust:Hue/Saturation.
Use:

• Hue of 77
• Saturation of 37
• Brightness of -26

STEP 5

(Before doing this step, copy the image to a new layer. )
Then do: Image:Adjust:
Brightness/Contrast.
Use:

• Contrast of +50

• Brightness of 0 (no change)

VARIATIONS

That’s it.   You can get different effect by altering Hue/Saturation or Brightness/Contrast.  For example:

• Brightness of -29

• Contrast of +63