First edition. 10.5 x 29.6 x 1 cm. [30] unpaginated sheets. Glass-covered in an OPA box with title page. Box slightly rubbed and with creases, otherwise in good condition. Enclosed throughout with 10 unique, double-sided, colored original watercolors. The watercolors, along with interleaves, are bound between two glass panels. From a limited edition of 60 copies, numbered in Arabic and 10 in Roman numerals. Signed by hand by the artist in black felt-tip pen on the last sheet. The penultimate sheet bears the title of the work and the numbering. This copy is copy 13 of 30. Language: German and English.