Obverse side of the THB 1,000 banknote Series 4 - first come into circulation during the reign of King Rama VIII (circa. 1938)
Bank of Thailand
1938
<a rel="nofollow" class="external free" href="https://www.bot.or.th/Thai/Banknotes/HistoryAndSeriesOfBanknotes/Pages/Banknote_Series04_2.aspx">https://www.bot.or.th/Thai/Banknotes/HistoryAndSeriesOfBanknotes/Pages/Banknote_Series04_2.aspx</a>