1. A label printing and applying apparatus, comprising: a printer for printing labels in a web of a series of labels, the printer including printing means for printing labels as the web of labels is moved past the printing means, and including feed means for advancing the web of labels past the printing means to a receiving means; a label holder having a body adapted to seat upon the printer; removably attachable to the printer, the label holder including receiving means supported on the label holder body for receiving and holding the label web that is fed to the receiving means by the feed means, after label printing by the printing means; and a label applier, the label holder body also being adapted to seat upon the label applier and being removably attachable to the label applier; the label applier including means for feeding the label web from the label holder to the label applier; the label applier including an exit for labels of the label web, where labels may be removed from the label applier, and the label applier feeding means feeding the label web to the exit of the label applier.