Here we present research on postal history, postmark analyses, and scholarly articles written by members of the working group.
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Publicly Available Essay
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Article, Supplement, Krone, PosthornAI SummaryThe focus is on the systematic cataloging and analysis of the “Krone-Posthorn” postmarks used by East Prussian auxiliary post offices, whose existence and use remain incompletely documented to this day due to incomplete official sources. This article draws interim conclusions following decades of research, examines the various stamp formats (with and without office designations), and discusses common misattributions as well as unresolved questions regarding the operation of these postal offices. Particular emphasis is placed on newly discovered evidence from auctions that suggests the existence of previously unknown auxiliary post offices, such as Neu Argeningken or Piktupönen, though no conclusive proof has yet been found.