The sixth issue of Lowrys Guidon came out in near the end of 1973, but carries no date… or issue number. In fact, even the title is on the inside front cover.

Contents:
Editorial
Chainmail Additions * W.A. Rogers
Tokenism, the Robber * James Broussard

And two pages featuring thoroughly out-of-date listings for Airfix, Eidai, Fujimi, and Hasegawa models. A two-page listing of items on sale as they were dropped from the catalog, and advertisements for Short Rules and Tricolor from Guidon Games (which was cancelled, and published by TSR later).