Trio of 49th from left to right - Epic Espresso Swiss Water Decaffeinated, Sammy Piccolo's 2009 WBC Signature Espresso, Wondo Worka Yergacheffe:

Not sure how helpful a photo by itself is (worth 1,000 words I'm told).

I'm not a decaf drinker though, so I can't give you anything by way of an actual taste comparison.
But for me, that's a little too.... dark.