Spain 1989 100 Pesetas Coin, Juan Carlos I and Sofía
Coin/Bullion · Royal Mint of Spain (Fábrica Nacional de Moneda e Timbre - Real Casa de la Moneda), established 1893.
Pattern: Juan Carlos I and Sofía Commemorative/Circulation coinage, KM# 833.

Type
Coin/Bullion
Maker
Royal Mint of Spain (Fábrica Nacional de Moneda e Timbre - Real Casa de la Moneda), established 1893.
Material
Aluminum-Bronze (88.4% Copper, 5% Aluminum, 5% Zinc, 1.6% Manganese); notably contains no silver.
Dimensions
Diameter: 24.5 mm, Thickness: 2.9 mm, Weight: 9.35 grams.
Description
A thick, golden-hued Aluminum-Bronze 100 Pesetas coin featuring the jugate (overlapping) left-facing profiles of King Juan Carlos I and Queen Sofía of Spain.
Key Features
Characteristic 'flower' edge (22 indentations) is not present here; this is the solid reeded variety. Jugate royal portraits.
Material & Composition
Aluminum-Bronze (88.4% Copper, 5% Aluminum, 5% Zinc, 1.6% Manganese); notably contains no silver.
Finish & Decoration
Business strike, matte to semi-lustrous finish with high-relief portraits of King Juan Carlos I and Queen Sofía.
Hallmarks & Stamps
Crowned 'M' mintmark for Madrid, date '1989', and 'JUAN CARLOS I Y SOFIA' inscription.
Construction Details
Industrial die-struck and machine-milled planchet from the Royal Mint.
Functional Features
Currency with a reeded edge for security and ease of handling during circulation.
Handle & Grip Details
None; standard coin edges/rim for tactile grip.
Craftsmanship Details
Standard mass-produced circulating coinage quality; high durability over artistic refinement.
Authentication Indicators
Consistent die work, correct weight for Aluminum-Bronze, and specific 1989 dating/mintmark alignment.
Origin & Manufacturing
Madrid, Spain; Royal Mint of Spain.
Era & Period
Modern Constitutional Monarchy of Spain, Juan Carlos I reign (1975–2014).
Age Estimate
Minted in 1989 (35 years old).
Cultural Significance
Represents the established monarchy and economic stability of post-Franco Spain entering the late 20th century.
Condition Notes
Circulated condition; moderate surface tarnish (patina), minor bag marks, and visible wear on the high points of the hair. Grade: Very Fine (VF).
Value Estimate
Face value is obsolete (replaced by Euro); numismatic value is $0.50 - $2.00 USD based on copper-zinc content and commonality.
Care & Maintenance
Do not polish or use silver cleaners as this is bronze-based. Store in a PVC-free coin flip to prevent 'green rot' (verdigris).
Similar Pieces
1982-1990 100 Pesetas (flower edge), 1990+ small 100 Pesetas, and various silver 2000 Pesetas commemorative coins.
Interesting Facts
The 100 Pesetas coin was affectionately known in Spain as a '20 duros' piece.