NTHK Shinsa

At the Tampa Sword Show March 1st, 2019 - March 3rd, 2019



This March 2019, the NTHK Shinsa team from Japan will be conducting a professional appraisals for swords and fittings.

If you are interested in having us submit your items for shinsa, email us here for details. Availability is limited!

Yoshikawa Eiichi:
Shinsa team head, director of the NTHK, curator of swords for the Japanese Imperial Household Agency, the Shosoin Imperial Repository and the Seikado Museum collection. Head of the Yoshikawa school of sword polishing and polisher to the Imperial Household.

Yoshikawa Eiichi
Yoshikawa Eiichi

NTHK Shinsa 2019


A team of experts from the日本刀剣保存会 (Nihon Token Hozon Kai) of Tokyo, Japan will be lead by Mr. Yoshikawa Eiichi, the son of the late Kentaro Yoshikawa, and like his father, curator of swords for the Japanese Imperial Household Agency, the Shosoin Imperial Repository, the Seikado museum collection and polisher for the Japanese Imperial Household. Swords and fittings will be examined by the team and certificates of authentication issued.

Location: Tampa Airport Marriott

Dates: March 1st - 3rd 2019
Daily Schedule: Doors open at 8:30 AM

Shinsa: 9 AM-Noon 1PM – 5PM
Q & A: 5PM – 6PM

The Q & A sessions will allow anyone who has submitted a piece to the Shinsa to discuss the results with the Shinsa team.

Submittal Fee: $100.00

Origami Fee (for items that pass): *$150.00 Payment must be made at Shinsa in cash or check only*

There are only a limited number of Shinsa slots possible per day. Prior prepaid reservations are necessary to hold a Shinsa slot. While it may be possible to submit at the door, it is unlikely since we generally sell out the slots.


To reserve your Shinsa slots:

  1. Download and print out the registration form ( double-sided page 2 on the back) - Download Registration Form Here
  2. Complete the form and send to address below.
    Moses Becerra
    18495 S. Dixie Hwy. (suite 228)
    Miami, FL 33157
  3. Include your bank check or money order(no personal checks) (make payment out to Nihonto Antiques LLC) for the entire submittal fee or you can pay by PayPal below. Total must include $100 ea for the number of slots you want. The 2019 Shinsa is brought to you in conjunction with the Tampa Sword Show 2019 - all Shinsa participants, excepting table-holders, are required to pay the $25 entrance fee. Payment may also be made via Paypal account. (there is a $5 fee per item for the paypal service)
  4. To pay PayPal please send total to shinsa@nihontoantiques.com then you can mail the Registration Form.

The submittal fee is not refundable except under exceptional circumstances and totally at our discretion. Please include your preference for day and time-slot. Notice of assigned slots will be sent out to you (if you do not receive a slot for whatever reason, just let us know).

Note: the additional fees must be paid at the time of the Shinsa for all items that pass. We will only accept cash at the shinsa. The cost for each item that passes is $150.00. Checks should be payable to ‘Nihonto Antiques LLC’.

Mail-in Shinsa Submission information 

Shinsa submission fee $100.00 and another $150.00 if sword passes.

Our fee is $150 (shipping back to owner is not included) On shipping: we will return items back as they were shipped to us.  Please add the cost for return shipping to the total below.

The total that has to be sent up front per swords is $400.00 + cost to ship back to owner

(If the sword does not pass you will receive a $150.00 refund)

Payment should be to: Nihonto Antiques LLC

You must sign a letter agreeing to our terms and send it along with payment and the sword. (Waiver Form)

Shipping address for Nihonto Antiques LLC is:

Moses Becerra
18495 S. Dixie Hwy. (suite 228)
Miami, FL 33157

We generally ask clients to address the package to Moses Becerra and not Nihonto Antiques LLC to not attract attention.

Mail in deadline is 2/20/19 (we would need your item in hand by that date).

Packaging instructions:
When shipping swords we only need the blades wrapped in plastic wrap and then wrapped in newspaper.  Please be carful to protect the tip of the sword with proper packaging to avoid damage during shipping.  If you wish to ship in saya thats ok also.  Shipping Habaki is not necessary unless you wish to do so.


The SHINSA appraisals are totally decided upon by the “Nihon Token Hozon Kai Team”, lead by Eiichi Yoshikawa.

The Role of “Nihonto Antiques LLC.” is only to help facilitate the fees and organizing the shinsa and to help bring this special need to collectors.

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