RCA Electron Tubes Dealer Sign (not authenticated)

This is a vintage metal advertising sign featuring a classic mid-century design associated with the Radio Corporation of America (RCA). The sign displays a rectangular off-white background with a prominent central red panel. Inside the red panel, on the left, is the circular black and white RCA logo containing the bold letters 'RCA' with a lightning bolt symbol underneath. To the right of the logo, white block lettering reads 'ELECTRON TUBES'. Below this text, in a black cursive script, is the phrase 'Authorized Dealer'. Below the red panel on the lower white section, large red block letters with black drop-shadow effects read 'TV-RADIO SERVICE'. The left and right edges feature black and white vertical striped accent bars. The sign has a folded mounting flange on the right side with pre-drilled holes for wall attachment. The corners are smoothly rounded. The construction appears to be screen-printed porcelain on heavy-gauge sheet metal, typical of mid-20th-century commercial signage. The surface exhibits a clean gloss with minimal visible wear, though the object is unauthenticated and exact age or manufacturing provenance remains unverified from the photographic evidence alone.

Based on what I can see in the photograph, this piece presents as a vintage metal advertising sign bearing design elements associated with the Radio Corporation of America, featuring screen-printed graphics on heavy-gauge sheet metal with a folded mounting flange and rounded corners. I can't verify from a photo alone whether the materials, pigments, and manufacturing techniques align with mid-20th-century production standards, nor can I rule out modern reproduction or replica manufacturing. Assuming the attribution is correct and the sign dates to the mid-century period, comparable vintage RCA dealer and service signs typically trade within the $350 to $600 range among petroliana and mid-century advertising collectors, driven by steady demand for classic electronics and radio branding display pieces. However, if physical inspection reveals this item to be a modern replica, decorative copy, or made in the style of vintage signage, the market value would likely drop significantly to the $50 to $100 range. To establish the necessary clarity regarding authenticity, material composition, and age, an in-person examination by a qualified expert specializing in vintage advertising, along with potential surface and pigment analysis, would be required.