1936 Bulgarian service passport
Two interesting visas issued inside. Another passport that surfaced recently, and at first glance seemed to be a simple and innocent looking sample, concealed inside at the end valuable information when it comes to visas and their usage inside a passport. These subtle and little crumbs that are laced inside each document, at times, can lead to a surprising find and enrich our understanding not only of the document, but to profound events in history, and in this case to the i...
