Mark III(TM), The Changeable Embossing Kit, by Sun Hill, Switchable Intials, Monograms for Family and Friends, 10 Gold Foil Seals Included

Why they don't make these any more is a mystery. It will emboss stationary with any intials you want. I'd prefer metal to the plastic which can feel a bit flimsy but it's a neat little tool which embosses beautifully.