Abstract: A Roll-fed labeling apparatus is disclosed which includes a delivery means for delivering a label web to a rotary cutting drum, and one or more cutting assemblies located on the cutting drum providing cutting means for cutting with a slicing action the web into individual labels while the web is held by a relatively negative pressure on the circumferential surface of the drum. Each of the cutting assemblies comprises a piston arranged to move the cutting means along a slot on the cutting drum to enable the slicing action to take place. The slicing action is not dependent upon a surface auxiliary to the cutting means.