Levenger
Levenger is a stationery brand from the United States, made by Levenger Company. 1 guide to Levenger products. More: official site levenger.com · Wikipedia.
Levenger guides and roundups
Levenger Circa Leather Notebook: Sizes & Discs
Levenger Circa Leather Discbound Notebook explained: Compact, Junior, Midway and Letter sizes, 3/4 in discs, 60 sheets of 90 gsm paper, refills and price.