The cache is at the posted coordinates, but to claim a Find you have to qualify for the challenge. To qualify you will need to have found 10 Large caches, 20 Regular caches, 30 Small caches and 40 Micro caches; 100 finds. Yes, previous finds can be used for this challenge.
You can list the caches in your log, post an image of a list of qualifying caches (ours is below), create a shared list of qualifying caches or we can check Your Statistics, for qualifying caches; that, along with signing the log, and you are good to go on logging this challenge as found. Did we mention the qualifying caches?