In Parts 1, 2 and 3 of this series, I traced the history of “pocket slim” Filofax models– pocket size, with no snap closure, mostly having smaller rings and no pen loops. But after poring over every catalog in the Philofaxy archives to build up my chronology, there are still some “pocket slim” models I … Continue reading The History of the Pocket Slim Filofax, Part 4: Oddities and Alternatives →