Die-cutting: by this proces the stamps were cut out with a die completely or without the backing film.
completely cutted stamps without backing film
die-cutted stamps with backing film with straight margins
die-cutted stamps with backing film with wavy margins
die-cutted stamps are issued in very variegated shapes
These 4 stamps were issud together in a self-adhesive sheetlet. Between the stamps is the die-cutting wavy and at the margins straight so 17 variants are given.
leftand top straight