ALL WORLD. Mostly used. Several hundreds stamps mint and used, much 19th and early 20th century, strength in Great Britain with huge cat running into thousands of euro, Spain with dozens of early imperfs and fascinating Carlist back of the book imperfs and general Spanish Empire including 19th century revenues, as well as Danish West Indies, Scandinavia, quite a range of 19th century Romania with classics, Latvian triangle se-tenants registered on cover, etc.