79/4324 [Numismatics, medallions and related objects]. "Hollandsche IJzeren Spoorweg Maatschappij / MDCCCXXXIX XX September MDCCCLXXXIX". Copper medallion by W. SCHAMMER, Ø 4 cm., a locomotive sculpted on recto and the dates sculpted on verso. - AND 2 others similar: a duplicate in iron of the preceding medallion and a commemorative medallion monogrammist "WC" for "Hollandsche IJzeren Spoorwegmaatschappij 75 jarig bestaan 1839-1914" (brass medallion, Ø 7,5 cm.).