K98k Mauser Collector’s Guide: Codes, Stocks, Marks, and Honest Rifles

A field-ready guide to K98k maker codes, wartime stock changes, capture and refurbishment marks, accessories, and how to recognize restorations without guesswork.
M1911 and M1911A1 U.S. Service Pistols: Maker Variations, Small-Parts ID, Arsenal Rebuild Marks, and What Collectors Look For

Sorting original U.S. M1911 and M1911A1 pistols from arsenal rebuilds starts with makers, small parts, and telltale marks. Here’s how collectors read the details.
Walther’s Police Pistols: PP, PPK, and PPK/S – Zella-Mehlis to Ulm, Interarms Imports, Markings, and What Matters to Collectors

A concise collector guide to reading Walther PP-family pistols by city, proofs, and importer lines, with a quick timeline from Zella-Mehlis to Ulm and U.S. production.
The Makarov PM: Simplicity Refined, Soviet and Satellite Production, Markings, and Grading

A practical, collector-focused guide to the Makarov PM with clear tells for Russian, East German, Bulgarian, and Chinese production, how to read East German codes and electropencil marks, and how to grade surplus examples with confidence.