Before joining the auction:

First of all,

this auction only offers the ownership of a physical piece. All other rights remain with Mitsuhiro Arita. For example, you cannot sell it as digital image data, create original products, or mint NFTs.

Please ensure that your account's email is valid.

A valid email address is required to confirm the seriousness of your bid. If your email address is not valid, your bid may be removed without notice.

Purchasing an Annual Auction Joining Right is required 

To prevent prank bidding, this measure was necessary. You will receive a coupon ofequal value in return. 

Please familiarize about Popcorn bidding before joining the auction.

The auction's ending time will extend everytime a new bid placed in the last minute. This allows an extension of up to 50 minutes from the original ending time.

If you want to bid more than double the current bid,

please send us the confirmation email before bidding. If you do it without confirmation and the auction has enough time until the end, we will send you a confirmation email. If we don't hear from you, we judge it's just for disturbing the auction and deleting your bid. If we have to do it for the same account twice, we will freeze or delete the account.

Upon winning the auction,

you will recieve a confirmation email from Webkul. The auction app provides a checkout interface until the auction item is added to your cart. This may look different from Shopify's, but please don't worry.

Shipping delays.

Due to my busy shcedule, shipping is frequently delayed. Occasionally it may take over a month if my shcedule particularly packed. Please send any inquiries to contact@312studio.co.jp

About TAX

Please note that you may be required to pay customs taxes upon the parcel arrival in your country.
We have worked hard to resolve this issue but, despite our efforts, it remains outside our control. To continue shipping to as many countries as possible, we decided not to charge outbound customers for taxes on our side, leaving it to your country’s customs.

For VAT, we only charge Japanese residents.
国内在住のお客様のみに消費税が課税されます。

If you have questions, please leave them as comments so others can benefit from the information.


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  • Mitsuhiro Arita on

    >dan zimon
    Please subscribe to the Newsletter so you will receive the notifications.

  • dan zimon on

    Hello – Will any new pieces be coming out later this year? Thank you

  • Muriel on

    Hey! Does the person who wins the sale get the piece physically or just the ownership of it as in NFT?

  • Mitsuhiro Arita on

    We apologize for not noticing. As long as you have paid for the 3 weekdays, there is no problem. Thank you.

  • Ed on

    Hallo! I won one of your auctions and I’m very happy about it!
    Since the Easter holidays have started in Italy I will not be able to make the payment before Tuesday (2 days) is it a problem or is it okay? thank you so much!


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