CHINA, Dr. Sun Yat Sen collection on about 150 leaves, hagners, envelope etc, all housed in a large thick brown spring-back album, this is an extraorinary collection of all issues 1942-1946 of SG type 82, issues are singles, blocks of 4 to 10, many as imprint blocks, with a large selection of varieties, including double perfs, imperf between pairs (horizontally and vertically), no perfs at base or top, missplaced perfs, different papers, off set blocks, printers and shades, noted many with SG CV many