Netherlands. 1914-1927 Issues. Koninkrijk der Nederlanden (Kingdom of the Nederlands). Zilverbon. Ministerie van Financiën. Designer: Sluijterman, K. (1863-1931). Dimensions: 103 x 68 mm. Date: 30.3.1915. No security thread. Material: paper. Texts in Dutch. Description of the front: blue safety background composed of repeating patterns. Value 2.50 in blue at center and at the 4 corners. Signatures: Kulenkamp Lemmers / Treub. The banknote number and signatures are printed in black. No back. The specimen is known overprinted "SPECIMEN" in red diagonally without number. Series known: CL, CM, CZ. Back: Blank.