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Alberto Fidalgo



Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Cabochon
Measurements .................................................................... 17.62 x 13.61 x 8.25 mm
Carat Weight ...................................................................................................... 9.07 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ....................................................................................... Semi-transparent


Color Quality Grade .......................................................................... Fine Color Quality
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
28 April, 2026
17871999

No evidence of treatment-  Lab report: 17871999

1 pcs  White Opal  - 9.07 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

World Coins

Reserve price

No reserve price

Closing date

Friday

30 August

Budget

From

Location

Spain

Taiwan

The Netherlands

Hong Kong

France

Portugal

Belgium

Italy

Luxembourg

Cyprus

Germany

Japan

Romania

Slovenia

Object

Coin

Ancient coin

Coin set

Medal (coins)

Country of origin

China

Almohad

Caliphate of Córdoba

Indonesia

Al Andalus - Almoravids

China, Republic

Al Andalus - Almohad

China, Qing dynasty

Ottoman Empire

Thailand (Siam)

Egypt

Emirate of Córdoba

Türkiye

Georgia

Korea

Al Andalus - Emirate of Cordoba

China, Eastern Han dynasty

China, Ming dynasty

China, Republic. Szechuan

China, Southern Song dynasty

China, Xin dynasty, Wang Mang

China, Western Han dynasty

Crusader states, Principality of Antioch

Material

Silver

Gold

Condition

Ungraded

Graded by PCGS

Graded by NGC

Uncirculated (not released for circulation)

Graded

Certification

PCGS

Subject

History

Royalty

Currency

Dirham

1 Yuan

10 Cash

1 Cash

Fals

1 Yuan (Dollar)

1 Jiao

7 Mace 2 Candareens (1 Dollar/Yuan)

50 Sen

1 Mun

1 Dollar

10 Dollars

1 Baht

50 Rupee

25 Kurush

25 Liri

Quirate

1 Pound

1 Peso

Akce

Denier

1400-1900

Before 1400

1900-2000

After 2000

Coin type

World Coins (non Euro coins pre-2000)

Modern world coins (non Euro coins post-1960)

Ruler/era

Kang Xi (1661-1722)

Qian Long (1735-1796)

Republic

Yong Le (1402-1424)

Guang Xu / Kuang Hsu

Xian Feng

Asian & African Coins

British & Commonwealth Coins

Catawiki Live World Coins

Dutch & Belgian Coins

French & Monegasque Coins

German & Eastern European Coins

Italian Coins

Nordic Coins

North & South American Coins

Portuguese Coins

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World Coins

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1 pcs White Opal - 9.07 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

121 objects

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