Lot 289

Japanese Tokyo Arsenal Model 1902 Grandpa Nambu Pistol

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Japanese Tokyo Arsenal Model 1902 Grandpa Nambu Pistol

Estimate: $4,500 - $6,500

Starting Bid: $4,000

(0 Bids)

by Rock Island Auction Company
August 21, 2026 9:00 AM CDT
Live Auction
3600 Harwood Road
Bedford, TX, US 76021

Documented Japanese Tokyo Arsenal Model 1902 Grandpa Nambu Semi-Automatic Pistol Manufactured c. 1903-1906. Forerunner of the Type 14 Nambu that would be the standard Japanese sidearm of World War Two, the Grandpa Nambu was produced in relatively limited quantities before the Papa Nambu was introduced, with only around 2,400 made by Tokyo Arsenal. The serial number of this Grandpa Nambu is among those recorded in Appendix F of "Japanese Military Cartridge Handguns 1893-1945" by Derby and Brown. Blade front and tangent rear sights, with the "stacked cannonball" Tokyo mark on the chamber, and 3-symbol nomenclature on the right side over the serial number. The correct pattern fixed lanyard staple and slotted backstrap are present and unaltered. Matching numbers on complete barrel extension assembly to include locking block and firing pin. Fitted with a set of matching numbered checkered grips and a mismatched numbered nickel finished magazine with checkered wood base.

Manufacturer: Japanese

Model: Grand Papa Nambu

BBL: 4 3/4 inch round

Gauge: 8mm Nambu

Finish: blue

Grips: hardwood

Serial Number2327

Class: Curio & Relic Handgun

  • Condition: Very good, with 50% of the arsenal refurbished blue finish, showing areas of brown patina, patches of shallow pitting. The grips are fair, with vertical cracks in both panels, dents and stains. The grip safety spring is absent, recoil spring weak and the firing pin spring enhanced with a second, smaller spring, otherwise mechanically functions.

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Bid Increments
From: To: Increments:
$0 $199 $10
$200 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $25,000