This is an original Japanese double-sided enamel advertising sign for Nissin Fertilizer (日新肥料), marked as an authorized special sales store (特約販売店). It is a genuine Showa-era (昭和時代) advertising sign, produced in Japan and intended for outdoor shop display. The sign features bold white Japanese characters on a deep blue enamel background, with a red company emblem at the top. Its strong industrial design and heavy patina give it an authentic Showa retro atmosphere, highly sought after by collectors of Japanese advertising and vintage signage. Condition: As expected for an antique enamel sign, this item shows significant age-related wear, including: Scratches and enamel loss Rust and corrosion Discoloration and stains Surface damage consistent with long-term outdoor use These imperfections are part of the sign’s original character and confirm its authenticity as an aged advertising item. Please carefully review the photos to assess the condition in detail. This piece is ideal for collectors of Japanese antiques, vintage advertising signs, or as a striking interior or shop display item. Method of Shipment FedEx or Japan Post NOTICE The lot will be carefully packaged and shipped by FedEx or Japan Post. Delivery usually takes 1–2 weeks. Heavy items may be shipped by sea, which may take 1 to 2 months to arrive. The shipping method may vary depending on the item price and size. Sometimes Customs or the delivery company in your country may contact you by phone or email for clearance. Please make sure you are available to respond. If not, the parcel may be returned to me, and reshipping will cost more than twice the original shipping fee. I appreciate your cooperation.