250.000 Rupiah

Kabupaten Labuhan Batu was one of dozens of Indonesian regional authorities that issued emergency currency during the 1945–1949 revolution, when the fledgling Republic struggled to establish a functioning monetary system against Dutch military and economic pressure. These locally produced notes — often printed with rudimentary equipment and authenticated by official stamp rather than sophisticated security features — filled a genuine vacuum in areas where Republican-issue currency was scarce or distrusted.

The Rantau Prapat issues are among the harder regional emissions to document cleanly, as record-keeping at the kabupaten level was inconsistent during active conflict periods. The stamp authentication was the note's only safeguard against forgery — a thin guarantee, but the standard instrument of trust in revolutionary-era Sumatra.