a ring, RPI, Riga Polytechnical Institute, metal, enamel, 7.93 g., the size of the ring 18 mm (56.5 u), the 1st half of the 20th cent., Latvia
| article: | a ring |
|---|---|
| title: | RPI, Riga Polytechnical Institute |
| material: | metal |
| material: | enamel |
| weight (g): | 7.93 |
| the size of the ring: | 18 mm (56.5 u) |
| period: | the 1st half of the 20th cent. |
| manufaсturer's country: | Latvia |
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