This is a Hobonichi A6 Mina Perhonen Piece Editon 2013. It can only be purchased via a lucky draw. 
 
Each one is hand-sewn, so the end result will vary from cover to cover. Depending on which part of the fabric is used and how it is used, each cover will have a slightly different look. Hence each cover is unique.
 
This is a collaboration cover with the fashion brand, Mina Perhonen. "piece," is a special patchwork cover made with pieces (=pieces) of original fabrics that Mina Perhonen has produced up until now. The various fabrics, with different eras, embroidery techniques, and thicknesses, come together to create a cover with a truly special charm.