This animation symbolizes the government changeover that followed the Boshin War. The first crest (3 leaves) belongs to Shogun Tokugawa, the subsequent crest (chrysanthemum) belongs to Crown Prince Mutsuhito who would later become Emperor Meiji.
In episode 6 of Blood and Tears, Usaburo received the gift of a small hand towel decorated with a print of contemporary actor Ichikawa Yaozo III. The print depicts him as the lead character from the traditional kabuki play, Treasury of Loyal Retainers (忠臣蔵 Chûshingura).
In Blood and Tears episode 7 (09JUL), Usaburo gives O-Hatsu a small lacquered storage box, called inro, bearing his family crest.
Everything in this illustration–letter, silver coins, copper coins–was created from scratch using Photoshop.