This set of twelve (12) authentic antique lithographs (offset) depicts many types of minerals in their natural form, all identified in English. Each print is numbered. Although printed in 1916 , the outstanding colors are bright and true! Printed on one side only. This set has the same "look" as the first edition except these are offset lithographs ( a set of 12 first ed. lithographs sell between $400 - $595). This set for sale cost us less than the first edition sets and we pass the savings on to you. These are among the most beautiful mineral prints we have seen! Great for a large wall treatment or several smaller groupings. Dimensions: 5.25" x 8". If you want a larger set we are also listing several more sets of (we acquired the entire collection of 40 lithographs, all different). Despite Chairish's statement that shipping may take longer than 3 - 5 days we always ship w/in 3 business days. Delivery usually takes no more than 7 days We combine shipping whenever feasible