Search on google comes up with 13500 results for caltro.
Caltro is a brand of Calcium I believe.
Currently parked at Sedo. RPM is at a staggering $175 and click rate is 60%! traffic is mainly from the US.
BIN for this domain is $150.
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Rev:
http://img247.imageshack.us/img247/3638/caltroil3.jpg