Vintage Japanese Enamel Advertising Sign – Sumitomo Complete Feed (住友完全飼料) This authentic Japanese porcelain enamel advertising sign promotes Sumitomo Complete Feed (住友完全飼料), a product that represents Japan's remarkable agricultural modernization during the Showa era. Featuring the distinctive Sumitomo diamond emblem above bold navy-blue lettering, the sign combines the prestige of one of Japan's oldest industrial groups with the clean graphic design that has made vintage enamel advertisements highly collectible today. Following World War II, Japan experienced a dramatic transformation in agriculture. Livestock farming became increasingly scientific, and balanced formulated feed replaced traditional feeding methods. Complete feed products provided carefully measured combinations of grains, proteins, vitamins, and minerals, enabling farmers to raise healthier animals while improving efficiency and productivity. As one of Japan's most respected industrial enterprises, Sumitomo extended its expertise into agricultural chemicals and livestock products, earning the trust of farming communities throughout the country. Signs like this were commonly displayed outside agricultural cooperatives, feed dealers, and rural supply stores, where they became familiar landmarks for generations of farmers. Visually, the sign perfectly embodies the elegance of Showa-era commercial design. The warm ivory enamel background provides a beautiful contrast against the deep navy-blue typography, while the iconic red Sumitomo crest immediately catches the eye. Its restrained composition reflects the confidence of a brand that relied on reputation rather than excessive decoration. Today, this sign is appreciated not only as an example of vintage Japanese advertising but also as a symbol of Japan's post-war agricultural development and the enduring legacy of one of the nation's most influential companies. Whether displayed in a collection of enamel signs, an industrial-style interior, farmhouse décor, or a gallery of Japanese antiques, it offers both historical significance and timeless visual appeal. [Size] 45x11.8cm [Condition] Good vintage condition. Although it shows signs of use, the letters and designs remain clearly visible. Please check the photos. Any taxes related to international shipping must be borne by the purchaser. ※Recently, there have been an increasing number of cases where items are returned to Japan due to non-payment of taxes such as customs duties and consumption tax upon receipt. Paying taxes is the buyer's responsibility, so please be sure to pay them. Occasionally, customs or the delivery company in your country may contact you for customs clearance via phone or email. Kindly ensure you are available to respond. Failure to do so may result in the parcel being returned to me, incurring additional shipping fees for reshipment. Your cooperation is greatly appreciated. I will pack the item securely, but there may be cases where the item is repackaged at customs or damaged upon arrival due to a mistake by the shipping company. If this happens, please contact me immediately. Please promptly send me a photo of the item when it arrives and a photo of the damage to the item. We will provide refunds depending on the situation.