1934 Imperial Japanese Navy Grand Maneuvers Commemorative Postcards Set For Sale

Own a piece of history.

This is an original commemorative postcard set issued in Showa 9 (1934) by the Imperial Japanese Navy for the Great Naval Maneuvers (海軍大演習 Kaigun Daienshū).

The set includes 3 illustrated postcards with original envelope, issued by the Navy Ministry (海軍省).

■ About the Envelope (Cover Text)

The envelope reads:

(“Commemorative Postcards of the Showa 9 Imperial Navy Grand Maneuvers – Navy Ministry”).

■ What was the 1934 Great Naval Maneuvers? (5W1H)

• Who: Conducted by the Imperial Japanese Navy, under direct supervision of senior admirals.
• What: A large-scale naval exercise to test Japan’s latest fleet organization, new cruisers, and naval aviation coordination.
• When: 1934 (Showa 9) – a crucial pre-WWII moment as Japan expanded naval power under the London Naval Treaty limitations.
• Where: The maneuvers took place in Japanese waters and the Pacific coast, with participation of battleships, cruisers, destroyers, and aircraft.
• Why: To demonstrate naval readiness, showcase new warships, and strengthen command structure before escalating tensions in Asia and the Pacific.
• How: By mobilizing the Combined Fleet (聯合艦隊), including fleet reviews, simulated engagements, and inspection by the Emperor’s representatives.

■ What is depicted in the postcards?

1. Warships & Naval Aviation: New heavy cruisers at sea with fighter aircraft overhead.
2. Commanders: Portraits of admirals such as fleet commanders and task force leaders, with battleships in the background.
3. Rising Sun Flag motif: Symbolizing the Imperial Navy’s pride and expansion in the 1930s.

■ Why it matters

This set is more than postcards—it is an authentic wartime propaganda item showing how Japan celebrated its naval power in the 1930s. Unlike postwar reproductions, it preserves the original art style, photography, and Navy-issued format.

Perfect for:

• Collectors of WWII Japanese militaria
• Naval history researchers
• Museums and educators
• Vintage postcard and ephemera enthusiasts

■ Condition

• Includes 3 postcards with original illustrated envelope.
• Some age toning, small stains, and wear due to 90 years of storage (see photos).
• No writing on reverse sides.

■ Size

Standard postcard format (approx. 9 × 14 cm).

🔑 Keywords

Imperial Japanese Navy / IJN / 1930s Naval Exercises / Grand Maneuvers / Warship Postcards / Battleship / Cruiser / Admiral Portraits / WWII Propaganda / Rising Sun Flag / Showa 9 / Combined Fleet / Rare Ephemera

👉 This is a rare primary source from pre-WWII Imperial Japan — don’t miss the chance to own a piece of naval history.

Worldwide Shipping

International e packet

Delivery Time:

approximate 7-21days(To USA)

With Tracking Number & NO Insurance

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to offerding or buying.