x Title: [A big double golden plate. A and B. Golden suspensions. C. Representation of the plate from an image side. D. Representation of the plate from a gem side. E. Representation of the plate from a hollow side. F. The same plate. G. A side of the big plate. H. A pattern from D side. I. A pattern from C side. K. An upper part of suspensions. L. A lower part of the suspensions.]