Dear Cousin

 Postcard, no date or postmark.

Dear Cousin,
I hope you will have a Merry Xmas and a Happy New Year.
Mabry Bills

Master Herchel Logan
Windfield Kan

Found in "The Scarlet Letter" by Nathaniel Hawthorne. Published by Houghton Mifflin, circa 1900.

Note, the name Herchel (or Herschel) Logan sounded familiar, so I did a quick Googling. Turns out Master Logan was a fairly well-known artist and author.

Now the name sounded really familiar. Sure enough, we have one of Logan's miniature books in stock:
The book is about 2.5 inches tall.

 -Click to enlarge photos-