Indonesia, 1951. Uncut block of 4 Specimen/Proof Banknotes, all are: 2 1/2 Rupiah, P-39, Red with coastline at left and palm trees at right, Back is green with arms, Choice VF to XF on firm crisp banknote security paper, all with S/N's A/A 400003 - A/A 410003 - A/A 310003 - A/A/ 320003, with wide margin at left. (uncut block of 4 notes)
Estimate: $375-650