rare stamps of the world diamond blue

http://www.semeuses.com/140_roulettes.html
http://ap.houilles.org/pdf/25croulette.pdf
rare stamps of the world diamond blue
http://www.lurvely.com/photographer/46013109_N03/

the semeuse blue diamond.

http://www.semeuses.com/140_roulettes.html
http://www.flickr.com/photos/jsjavi/11623871075/
the semeuse blue diamond, the rarest piece of flat monograph roulette tipe 1A, milky light blue, printed in 1922, uncommon. because they come from cliché type 50, type IA tables are all issues. (article Lizeray

rare stamps of the world?

http://www.semeuses.com/140_roulettes.html
inquire if they are infrequent. Collectors World