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如何購買、鑑定和保養日本刀劍
繼承・登錄證・所有者變更指南→
繼承或持有日本刀者的手續指引
步驟 1
從目錄中選擇您心儀的刀劍。標記為「立即購買」的商品可直接加入購物車並結帳。若為「需詢問」的商品（獨一無二或高價值物品），請通過詢問表單聯繫刊登商品的經銷商，經銷商將提供報價及額外照片。
步驟 2
刀剣座所處理的所有刀劍均經過日本美術刀劍保存協會（NBTHK）的鑑定。設有重要刀劍（Juyo）、特別保存刀劍（Tokubetsu Hozon）及保存刀劍（Hozon）等級，保證真偽和品質。
步驟 3
運送方式、費用及時程根據交易情況與列表商家個別安排。請透過商品頁面與商家聯繫，以了解針對您目的地的具體細節。
步驟 4
日本刀的出口需要登錄證明書（torokusho）。請與列表商家確認出口手續。符合目的地國家的進口規定是買家的責任。
步驟 5
塗抹薄層choji油並存放在shirasaya（素木刀鞘）中。每月進行維護，避免陽光直射和高濕度。
從日本購買的手續、各國法規、鑑定書的解讀方式
How to tell a genuine Japanese sword from a replica before you buy or after you inherit one — papers, construction, signatures, and the gimei problem.
WWII bring-back swords in US attics — identify gunto, showato, and gendaito, understand NBTHK appraisal, and learn if repatriation to Japan is possible.
Buy a genuine Japanese sword from Japan and export it legally: torokusho deregistration, the cultural-affairs export permit (~10 business days), shipping.
Newly made or antique? Era taxonomy, smith licensing, condition factors, and budget bands to guide your first Japanese sword purchase.
What NBTHK papers mean before you buy a Japanese sword: the four tiers, how shinsa works, reading a certificate, and how older papers are treated today.
How a genuine Japanese sword (nihonto) is treated for ownership and import in the US, UK, Germany, France, Canada, and Australia, with sources.
Whether a katana is legal in Australia depends on the state. Import is federal and admits a single-edged sword, but Victoria and SA need an exemption.
Are katanas legal in Canada? CBSA import rules under tariff 9898, prohibited blades, duty and GST on antique swords, and Criminal Code carry rules.
Are katanas legal in Germany? Free ownership for adults under the Waffengesetz, the §42a public-carry ban, customs on imports, and reduced import VAT.
Are katanas legal in France? Free ownership for adults as a category D weapon, the port and transport ban, customs, and reduced import VAT on antiques.
The UK restricts curved swords of 50cm or more, but a defence covers swords made by traditional methods or before 1954, so a genuine nihonto is exempt.
How a katana is treated in the US: no federal ownership ban, CBP import rules, switchblade contrast, HTSUS duty, and state carry laws like New York.