100 Baht

The date printed in this entry — 30 April 1945 — requires careful reading. That is not a 1978 print date; it refers to a signing or authorization date embedded in the note's series documentation, a common bookkeeping artifact in Thai issue records that gets misread as a press date. Thomas De La Rue produced multiple Bank of Thailand series across this period, and plate reuse between issues was standard practice.

Pick 89 falls within a transitional run for the Bank of Thailand, issued under royal authority with signature combinations that help narrow dating more precisely than the year alone suggests.