This variety of k-cup is $51.50 for 100 k-cups. If you do the math, that's $0.52 per k-cup.
Amazon is a bit wordier with how they named this product. They call it "Lavazza Blue Single Espresso Caffe Crema Coffee Capsules, Value Pack, Blended and roasted in Italy, Sweet blend from its aromatic notes of biscuits and jasmine,100% Arabica, 100 Count (Pack of 1)".
Some additional details about this product:
Need to know more? You can read more about this product on Amazon.
Oh, and here's a bunch of pictures if you've never seen k-cup pods before: