Official Panama Canal Opening Commemorative Medal with Serial Number 575
Trophy/Cup / Commemorative Medal · Authorized by the Isthmian Canal Commission / U.S. Government Mint or authorized private contractor, produced for official distribution to participants of the first voyage.
Pattern: Commemorative Panama Canal Opening Series, introduced c. 1914 to celebrate the official opening of the canal to the commerce of the world.

Type
Trophy/Cup / Commemorative Medal
Maker
Authorized by the Isthmian Canal Commission / U.S. Government Mint or authorized private contractor, produced for official distribution to participants of the first voyage.
Material
Likely silver-plated base metal or sterling silver composition, given the characteristic dual-tone tarnish and wear revealing brassy undertones on high points.
Dimensions
Standard commemorative medal diameter approximately 3.8 cm (1.5 inches), equipped with an integrated suspension loop and split ring for wearing or display.
Description
An exceptionally historic and collectible commemorative medal celebrating the opening of the Panama Canal. The reverse clearly details its significance, stating that it is copyrighted, bears a unique serial number (575), and was carried on the vessel making the first official passage through the canal under the authority of the Isthmian Canal Commission, complete with facsimile signature of the Chief Engineer and Chairman. The obverse and reverse exhibit a wonderful natural tarnish with gold-tone highlights on the raised lettering.
Key Features
Individual low serial number (575), explicit text verifying carriage on the first vessel making the passage, facsimile signature of the Chief Engineer, and original suspension hardware.
Material & Composition
Likely silver-plated base metal or sterling silver composition, given the characteristic dual-tone tarnish and wear revealing brassy undertones on high points.
Finish & Decoration
Struck medal with relief lettering and central seal, featuring raised circular text reading COMMEMORATING THE OPENING OF THE PANAMA CANAL TO THE COMMERCE OF THE WORLD, accompanied by laurel branches and an individual engraved serial number box at the base.
Hallmarks & Stamps
Features a stamped serial number '575' in a rectangular cartouche at the lower edge, alongside copyright and authorization text inscribed directly into the field of the reverse side.
Construction Details
Die-struck medal with a soldered or integrated suspension loop at the top, showing crisp relief details and machine-finished recessed fields.
Functional Features
Includes a suspension loop and ring, designed to be worn as a pendant or attached to a fob chain by individuals associated with the initial transit.
Handle & Grip Details
N/A - Features a small articulated suspension ring attached to a fixed loop at the top rim.
Craftsmanship Details
High-quality early 20th-century die-stamping with sharp relief, legible tiny lettering, precise layout alignment, and durable integrated hardware.
Authentication Indicators
Clear, crisp letter stamping, authentic period tarnish patterns, correct historical phrasing matching known Isthmian Canal Commission first-passage medals, and genuine wear consistent with a 1914 artifact.
Origin & Manufacturing
United States, commissioned by the Isthmian Canal Commission for distribution to commemorate the historic engineering milestone.
Era & Period
Early 20th Century, Panama-Pacific / Edwardian Era, specifically c. 1914 coinciding with the completion and opening of the Panama Canal.
Age Estimate
Circa 1914, matching the exact timeline of the first vessel passage through the Panama Canal.
Cultural Significance
Represents one of the greatest engineering feats of the 20th century, marking the monumental moment when the Atlantic and Pacific oceans were formally joined for global commerce.
Condition Notes
Very good antique condition with expected surface wear, moderate dark sulfide tarnish in recessed areas, and brassy highlights on high-relief points from handling. Structure is completely sound with intact suspension loop.
Value Estimate
Estimated market value ranges between $300 to $800+ USD depending on the presence of the original authenticated certificate mentioned on the medal text and overall collector demand.
Care & Maintenance
Preserve the original historical patina by avoiding harsh chemical dips or abrasive polishing. Clean gently with a soft microfiber cloth and store in a low-humidity environment with anti-tarnish protection.
Similar Pieces
Other official Panama Canal opening medals issued to dignitaries, crew members, or passengers, differing primarily in serial numbers and accompanying paperwork.
Interesting Facts
These medals were strictly limited and carried aboard the initial ship to transit the newly opened Panama Canal, making them exceptionally rare prized possessions for descendants and serious historical token collectors.