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. 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". 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