Free Father’s Day or Graduation Postcard Updated on Oct 8, 2019 at 2:10 pm · Disclosure Pronto Postcard is sending out free Father's Day or Graduation postcards. Simply pick your design, write a custom message, and the freebie should mail out in 3-7 days. Categories Dead, Photos · This post may contain affiliate links. See my disclosure policy for details. Report a dead freebie! Similar Freebies and Samples!