Pelikan Z738X Twin Pack Black Correctable Film Cartridge Ribbons.

Fits AT&T 6100, 6110, 6200, 6210, 6310, 6610 and Royal 2300, RT5100, 5200, 5400, 5500, 8200, TQ-620, 740, 850

And Olivetti ETP 55, HD 550

New old stock, packaging shelf worn but fully intact.