Typically found in spiral ring or comb binding, designed as a practical "working copy" for collectors to reference while examining postal covers. Key Takeaways for Collectors
, further cementing his reputation as an expert on how postal authorities "directed" mail across the globe. Why Collectors Love It Jusqu-a Airmail Markings- A Study Ian McQueen
Before McQueen, the classification of these markings was sporadic and lacked a unified framework. His study provided the first exhaustive examination, covering: Typically found in spiral ring or comb binding,
Just two years later, McQueen released a supplement (iii + 163 pages) that actually exceeded the original study in length. It contained a massive amount of new information and updates, reflecting the rapid growth of interest in the topic following his first book. Before global airmail networks were standardized
To understand the significance of McQueen’s study, one must first understand the postal anomaly of the 1920s and 1930s. Before global airmail networks were standardized, international mail routing was chaotic.
