Never rate a bud by its' photo. I know this looks quite generic, but this is possibly the most expensive strain around but not for you and I.PK or Pure Kush is found only in southern cal and a few dispensaries are known to carry it occassionally.
How Much? Try $1000 an ounce. Ouchhhh! It better keep you high for a week and require a quarter rip.
Check it out in Cannabible #3. the author paid $65 for 1.75 grams or a 1/16 of an onnce. Hyper expansive, froot loop aroma and taste plus a four hour high.