As usual, [user]Isaac[/user] was the model, flipping the coin on cue ... half-second exposure with small aperture under ordinary CFL bulb; combined with flash produced extremely odd color pattern, less obvious in grayscale.
Minimal editing with IrfanView.
-Tripod, timer, manual mode
-FL 74.4mm (35mm EQ)
-Rear-curtain flash at 2/3 power
-Convert to Grayscale
-Resize
-Sharpen (applied twice)
-SaveAs JPEG at 100% quality = 265KB
File: coinFlip_IMG_9200-gs-DPC
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