For your consideration is an estate find - four (4) antique, unposted patriotic linen postcards.  Three (3) of the postcards have "Flag Series - 5 Subjects" on the back as well as "Tichnor Quality Views Reg. U.S. Pat. Off. made Only By Tichnor Bros., Inc. Boston, Mass." and are numbered F-9, F-1 and F-11 from top to bottom in the first picture.  The other has "Flag Series - 8 Designs".  All have a brief paragraph on the back about the U.S. Flag.  Please see pictures.