Worldwide Stamps and Postal History

1915-16 specialized collection written-up exhibition style on 84 pages, with singles, proofs (including imperf. sheets of 40), color trials, full sheets of 40, errors and varieties, surcharges, bisects, Monuments issue (without surcharge), fiscal usages, speculative items, 23 covers and cards, etc., many signed Mikulski, Dr.Kronenberg, few with certificates, interesting and valuable lot, mostly fine-v.f. -