1653 (or PMG ID 1653W) and has the signatures of Julian-Snyder. The serial number is N61132579A (N-A block). The best part about this note is that PCGS has awarded it the PPQ designation! From the PCGS website: To distinguish notes that bear all the hallmarks of complete originality and outstanding paper quality for the grade, PCGS will affix a “PPQ” (Premium Paper Quality) designation to the grade.