UNITED STATES,... New York,... (Only local suppliers) Hi, I am working on a sidewalk project in Brooklyn, NY. I need to obtain some flagstone pieces of bluestones.... 12 pieces of 3' x 3' and 5 pieces of 3' x 2'..... all in a 1- 1 1/2" thickness. It will be placed in cement... they need tobe of blueish/grayish tones....Do you deliver or would I need to pick up? How much would it cost? Do you have it in stock or what is your lead time?Thank you....