# UpDown.ru — Numismatic Catalog & Art Auction Platform

> A comprehensive Russian online platform featuring a numismatic catalog of 27,700+ coins and hallmarks, plus an auction marketplace for art, antiques, porcelain, paintings, and collectibles. All content available in Russian and English.

## Overview

UpDown.ru is one of the largest Russian-language numismatic reference databases and auction platforms. The catalog contains **27,745 expertly cataloged objects** with detailed descriptions, high-resolution images, historical context, pricing data, and advanced search capabilities including AI-powered image search (CLIP) and semantic text search.

## Numismatic Catalog — 22,729 Coins

The coin catalog covers world coinage from antiquity to modern era, organized by region and period. Each entry includes: denomination, metal, year, mint mark, ruler (for imperial coins), series, condition notes, market price in RUB and USD, and multiple photographs.

### Russian Imperial Coins — 5,036 objects
- [Browse Imperial Russian Coins](https://updown.ru/catalog/coins_imperial/)
- Period: 18th–20th century (Peter I through Nicholas II)
- Rulers: Peter I, Elizabeth, Catherine the Great, Paul I, Alexander I, Alexander II, Alexander III, Nicholas II, Ivan Antonovich, and others
- Denominations: from 1/4 kopeck to 37.5 rubles
- Metals: gold, silver, copper, platinum
- Includes rare varieties, mint marks (СПБ, ММД, ФЗ, АГ), and special strikes

### Russian Federation Coins — 1,937 objects
- [Browse Modern Russian Coins](https://updown.ru/catalog/coins_rf/)
- Period: 1992–present
- Commemorative series: "Ancient Cities of Russia", "Russian Federation", "Red Book", Olympic Games Sochi 2014
- Denominations: 1 kopeck to 50,000 rubles
- Metals: copper-nickel, silver, gold, bimetal

### Soviet (USSR) Coins — 1,231 objects
- [Browse Soviet Coins](https://updown.ru/catalog/coins_ussr/)
- Period: 1918–1991
- Notable series: "50 Years of Soviet Power", "1000 Years of Russia", Olympics Moscow 1980
- Denominations: 1 kopeck to 100 rubles
- Metals: copper, bronze, nickel, silver, gold, palladium, platinum

### European Coins — 6,654 objects
- [Browse European Coins](https://updown.ru/catalog/coins_europe/)
- Countries: Great Britain, Germany, France, Spain, Italy, Austria, Switzerland, Netherlands, Belgium, Poland, Czech Republic, Scandinavia, Baltic states, Balkans, and more
- Period: medieval to modern
- All major denominations: pounds, marks, francs, lira, guilders, crowns, euros

### American Coins — 2,968 objects
- [Browse American Coins](https://updown.ru/catalog/coins_america/)
- USA: cents, dimes, quarters, half dollars, dollars (Morgan, Peace, Walking Liberty, American Eagle)
- Canada: cents to dollars, maple leaf series
- Latin America: Mexico, Brazil, Argentina, Cuba, and others

### Asian Coins — 1,470 objects
- [Browse Asian Coins](https://updown.ru/catalog/coins_asia/)
- China, Japan, India, Turkey, Iran, Israel, Thailand, Korea, and more
- Includes ancient and modern coinage

### Australian & Oceanian Coins — 1,443 objects
- [Browse Oceanian Coins](https://updown.ru/catalog/coins_ao/)
- Australia, New Zealand, Pacific Islands
- Notable: Australian Kangaroo, Kookaburra, Lunar series

### African Coins — 1,794 objects
- [Browse African Coins](https://updown.ru/catalog/coins_africa/)
- South Africa (Krugerrand), Egypt, Tunisia, Morocco, and 40+ countries
- Colonial and post-independence coinage

### Ancient & Medieval Coins — 49 objects
- [Browse Ancient Coins](https://updown.ru/catalog/coins_antics/)
- Greek, Roman, Byzantine, medieval European
- Period: 1000 BC – 1500 AD

### Coin Sets — 144 objects
- [Browse Coin Sets](https://updown.ru/catalog/coins_sets/)
- Proof sets, commemorative sets, annual mint sets

## Hallmarks Database — 4,053 objects

- [Browse Hallmarks](https://updown.ru/catalog/hallmarks/)

A unique reference database of **precious metal hallmarks (assay marks)** — one of the most comprehensive online resources for identifying silver and gold hallmarks from Russia and worldwide.

### Hallmark Categories:
- **Master marks** — 1,771 individual craftsman stamps
- **City marks** — 350 geographical origin marks
- **Assay master marks** — 222 official assay office stamps
- **Proof marks** — 46 quality certification marks

### Organized by Shape:
- Rectangle (1,520), Oval (299), Extended rectangle (260), Square (194), Circle (180), Rounded rectangle (164), Heraldic shield (56), Heart (43), Diamond (12), and 15+ more shapes

### Each hallmark entry includes:
- High-resolution photograph of the mark
- Master/workshop identification
- City and period of activity
- Metal type (gold, silver)
- Shape classification
- Historical context and references

## Additional Collections

### Badges — 579 objects
- Soviet and Russian commemorative badges, pins, and insignia

### Medals — 111 objects
- Military decorations, commemorative medals, award medals

### Tokens — 271 objects
- Trade tokens, transit tokens, game tokens

## Auction Marketplace

Beyond the reference catalog, UpDown.ru operates as an auction platform for art and antiques:

- [Porcelain & Ceramics](https://updown.ru/items/crockery/) — Meissen, LFZ (Lomonosov), Lladro, NAO, Royal Copenhagen
- [Paintings & Graphics](https://updown.ru/items/picture/) — oil, watercolor, pastel, engravings, lithographs
- [Posters](https://updown.ru/items/poster/) — Soviet propaganda, vintage advertising, art prints
- [Stamps](https://updown.ru/items/stamps/) — philately, postal history, first day covers
- [Glassware](https://updown.ru/items/glassware/) — art glass, crystal, Murano, Bohemian glass
- [Jewelry](https://updown.ru/items/jewelry/) — vintage and antique jewelry, gemstones

## Search Capabilities

- **Full-text search**: multilingual (Russian + English) across all fields
- **Faceted filtering**: by metal, denomination, year, ruler, series, mint, and more
- **Image search**: upload a photo of a coin or hallmark to find similar items (CLIP AI model)
- **Semantic search**: find related items by meaning, not just keywords (multilingual-e5-small model)
- **Similar items**: each catalog entry shows visually and contextually similar objects

## Data Coverage

| Metric | Value |
|--------|-------|
| Total catalog objects | 27,745 |
| Objects with images | 23,690 (85%) |
| Objects with pricing | 13,670 (49%) |
| Price range | ₽100 – ₽296,323,900 |
| Distinct years | 2,207 (from 1000 BC to present) |
| Metal types | 70 |
| Denominations | 154 |
| Monetary units | 297 |
| Rulers | 25 |
| Series | 427 |
| English translations | 100% |

## News & Articles

- [News](https://updown.ru/news/) — art market news, auction results, museum exhibitions
- [Articles](https://updown.ru/longread/) — expert guides on collecting, identification, valuation

## Languages

- Russian (primary): https://updown.ru/
- English: https://updown.ru/en/

## Contact

- Website: https://updown.ru
- Email: info@updown.ru