Artifact Details Title IPX overlay Catalog Number 102718614 Type Physical object Manufacturer Ideographix, Inc. Dimensions overall: 1/4 in x 7 1/4 in x 12 1/2 in Description The object has six sheets. The sheets are wire bound. The middle four sheets have printing on both sides and have tabs with numbers. The numbering scheme is unusual. Category Ephemera/other Credit Gift of Chan Yeh Lot Number X6819.2013