Assay master AI Jaschinow. 12 x 9 cm. Weight 33 grams.
A later panel and frame are included, the frame's outer dimensions 19 x 16 cm.
Splits, dents.
Director Sten Hultberg (1909-2002) & textile designer Astrid Sampe (1909-2002).
Thence by descent to the present owner.