Dia.: 6,8 cm (the largest disc)
Dia.: 3,7 cm (the smallest disc)

Weight: (from left to right, as seen in picture)
- 37 grams
- 59 grams (excl. stand)
- 45 grams
- 20 grams

Provenance:
- A Belgian private collection.
- Acquired at Woolley and Wallis, Salisbury, England, on May 22, 2018, lot 92.
- The collection of Surgeon Lieutenant George Giri, b.1923, purchased in Hong Kong 1962-65.