Seikan Tunnel Opening Commemorative Pure Silver Medal, 1988 (Official Commemorative Medal, Box, and Certificate Included)

 — A commemorative piece capturing a momentous achievement that etched itself into the history of Japanese civil engineering, encased in pure silver —

 In 1988, a national project that would dramatically change the history of the Japanese archipelago was completed.
 That is the Seikan Tunnel.

 This product is an official pure silver commemorative medal manufactured to celebrate the opening of the line.
 To celebrate the completion of the world's longest tunnel, connecting Hokkaido and Honshu under the sea,
 This piece symbolizes their technological prowess and national significance.

 Exquisite carving, a substantial silver texture, and the included original case and certificate.
 This medal is not merely a commemorative item,
 It is a cultural asset that embodies Japan's modern history and technological history.

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 ■ Product overview
 • Name: Seikan Tunnel Opening Commemorative Medal
 • Publication year: 1988 (Showa 63)
 • Material: Pure Silver
 • Finish: Commemorative medal specification (proof-like finish)
 • Diameter: Approximately 55mm (as stated on the certificate)
 • Weight: approx. 120g
 • Accessories: Dedicated case, official instruction manual (certificate)
 • Manufactured by: Mint-related production (as stated on the certificate)
 • Condition: Unused or in near-perfect condition

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 ■ What is the Seikan Tunnel?

 The Seikan Tunnel is an underwater tunnel connecting Aomori Prefecture and Hokkaido.
 It boasts one of the world's largest scales, with a total length of approximately 53.85 km.

 Of that, the underwater portion is approximately 23 km.
 This project could be considered the pinnacle of human civil engineering technology.

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 Historical background

 Post-war Japan rapidly developed its transportation infrastructure alongside its economic growth.

 However, there is the Tsugaru Strait between Honshu and Hokkaido.
 Transportation relied primarily on ferries.

 In particular, following the Toya Maru disaster in 1954,
 The need for safe and reliable means of transportation is strongly recognized.

 the result:

 👉 A national project to construct an underwater tunnel has begun.

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 Difficulties in construction

 The Seikan Tunnel is not just any tunnel.
 • Strong ocean currents
 • Geological instability
 • High water pressure
 • Long-term construction

 Having overcome numerous difficulties,
 It took approximately 24 years to complete.

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 Opened in 1988

 And then on March 13, 1988,
 The Seikan Tunnel has finally opened.

 This means:
 • Direct rail connection between Honshu and Hokkaido
 • Stabilization of logistics
 • Revitalizing tourism

 And it has been achieved.

 This medal was issued to commemorate this historic moment.

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 ■ Design Details

 Obverse

 In the center, there is a depiction of an angel (or a symbol of victory).

 Features:
 • Light design that spreads out radially
 • Three-dimensional high relief
 • Dynamic poses
 • Laurel wreath (symbol of victory and glory)

 This angel statue is:

 👉 A victory for technology
 👉 Success of national projects
 👉 Humanity's Challenge

 This symbolizes...

 The background radiation is,
 This represents the "light of the future" brought about by the completion of the tunnel.

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 Reverse side

 The reverse side features a precisely drawn composition symbolizing the Seikan Tunnel.

 Main elements:
 • Tunnel cross-section image
 • Sea and train motifs
 • Linking expressions for Honshu and Hokkaido
 • Depiction of actual railway vehicles

 Furthermore, in the center:

 👉 Stamped with "1988"

 Surroundings:

 Japanese inscriptions such as "Commemorating the opening of the Seikan Tunnel"

 It is positioned there.

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 ■ Artistic merit and sculptural technique

 This medal is not just a souvenir,
 This is a work of art that demonstrates extremely high sculptural skill.

 Features:
 • Deep relief (high-relief carving)
 • Mirror and matte contrast
 • Detailed background textures
 • Precise line representation

 In particular, the radial design on the surface,
 It displays various expressions depending on the reflection of light.

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 ■ The value of pure silver

 This medal is made of pure silver.

 Characteristics of pure silver:
 • High asset value
 • Beautiful luster
 • Materials suitable for long-term storage

 The fact that it weighs approximately 120g is also noteworthy.
 It is more substantial and valuable than typical commemorative medals.

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 ■ Importance of accessories

 This product includes:
 • Dedicated case
 • Official Certificate

 It comes with this.

 This means:
 • Guarantee of authenticity
 • Increased collectible value
 • Maintaining future resale value

 This will be achieved.

 Individuals with certificates, in particular,
 It is highly valued in the market.

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 ■ Collector's value

 This medal has appeal across multiple collecting disciplines.

 Target collectors:
 • Collector of Japanese commemorative medals
 • Railway and infrastructure collector
 • Collector of materials from the Showa era
 • Silver Medal Investor

 Because the theme is clear,
 This is a very popular field.

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 ■ Investment aspect

 This medal also has asset value for the following reasons:
 1. Pure silver material
 2. Limited Edition (Commemorative Medal)
 3. Historical Themes
 4. Complete set (with box and certificate)

 Especially in recent years:
 • Expansion of the commemorative medal market in Japan
 • Increased demand from overseas collectors

 You can see this.

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 ■ Regarding storage conditions

 This individual is:
 • Case storage
 • Good surface gloss
 • No noticeable damage

 It is in very good condition.

 however:
 • The subtle discoloration characteristic of silver
 • Tone changes over time

 This may occur.

 This is a natural change over time.
 It does not diminish its value.

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 ■ Why should we choose this medal?

 ✔ Commemorating Japan's largest project
 ✔ The weight of 120g of pure silver
 ✔ Highly artistic design
 ✔ Complete set (with box and certificate)
 ✔ A fusion of history, investment, and collectibility

 A medal that possesses these qualities is
 They are also limited in the market.

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 ■ The Seikan Tunnel and the Modern Era

 Even today, the Seikan Tunnel is:
 • Shinkansen (Hokkaido Shinkansen)
 • Freight transportation

 It is used in various applications and continues to support logistics in Japan.

 In other words, this medal means:

 👉 Not just the past, but "history in progress."

 This symbolizes...

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 ■ GoldSilverJapan Quality Guarantee

 At our store:
 • Authenticity verified product
 • Transparency of state
 • Careful storage and packaging

 We are very thorough about this.

 This product offers a quality that allows you to hold it for the long term with confidence.

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 ■ Summary

 This product

 ✔ 1988 Seikan Tunnel Opening Commemoration
 ✔ Made of pure silver (approximately 120g)
 ✔ High-definition engraved design
 ✔ Complete set with box and certificate.
 ✔ A medal symbolizing modern Japanese history

 This is an extremely valuable piece that possesses all of the above qualities.

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 ■ Add to collection now

 It's not just a medal.

 53km underwater.
 The moment when humanity's challenge took shape.

 Hold those memories in your hands.

 Seikan Tunnel Opening Commemorative Pure Silver Medal, 1988

 A history that continues into the future, in your collection.