Vintage Havoline Metal Sign

This appears to be a vintage metal advertising sign featuring prominent branding for Havoline motor oil. The large rectangular metal sign exhibits significant weathering, heavy rust along the edges, surface chipping, and general patina consistent with a mid-20th-century garage or gas station display piece. The sign is mounted on an interior wall above a dark floating shelf. Visible text on the face includes 'HAVOLINE' in large block letters, 'REG. U.S. PAT. OFF.', the slogan '-the power oil', and 'INDIAN REFINING COMPAN[Y]' along the bottom edge. Above the Havoline sign hangs a smaller, reflective aluminum 'SPEED LIMIT 35' traffic sign that shows bullet holes or localized impact damage. To the right of the Havoline sign sits a vertical green sign with the white number '500'. The display rests over a cluttered shelf holding water bottles, a Sprite can, photographs, and miscellaneous items. The identification of the primary piece rests on the prominently legible embossed or painted lettering across the surface, though the item is unauthenticated and its exact manufacturing date or original context remain unverified.

Based on what I can see in the photograph, the subject item is a metal advertising sign bearing branding for Havoline motor oil and the Indian Refining Company. The piece displays significant weathering, heavy edge rust, and surface chipping consistent with a mid-20th-century vintage aesthetic. However, I can't verify from a photo whether this is a period-correct piece or a modern decorative reproduction made to look aged. I would need physical inspection to confirm material composition, manufacturing techniques, and the presence of any maker's marks on the reverse. Assuming the attribution to a mid-century gas station display is correct, comparable vintage petroleum advertising signs of this type typically trade in the $300 to $500 range, driven by strong collector demand for garage and automobilia decor. If physical inspection reveals the item to be a modern reproduction, replica, or decorative copy rather than a period piece, the value would decrease substantially, likely falling into the $50 to $100 range. To establish a higher level of confidence in its age and market standing, an in-person examination by a qualified petroliana specialist, along with provenance documentation, would be necessary.