AI Appraisal Estimate

This is a commemorative collector's plate featuring a dual-material construction of a wide pewter rim surrounding a circular porcelain or ceramic center medallion. The rim is embossed with the capitalized text 'THE GREAT AMERICAN REVOLUTION' across the top and '1776' at the bottom, flanked by two sets of three five-pointed stars. The central insert displays a multi-color transfer print depicting a historical scene, likely the signing of the Declaration of Independence, showing various figures in colonial attire around a table. The plate appears to be approximately 9 to 10 inches in diameter. The pewter has a matte, brushed finish typical of 20th-century decorative metalwork, while the porcelain center has a high-glaze finish. Based on the subject matter, this item was likely produced in the mid-1970s (circa 1976) to celebrate the United States Bicentennial. The condition appears fair to good; there is visible surface wear and light scratching on the pewter rim consistent with age and stacking. There is also potential tarnishing or minor pitting typical of pewter alloys and some grime buildup in the recessed lettering. The central ceramic piece appears intact with no visible cracks or crazing from the provided angle.

I have virtually examined this Bicentennial commemorative plate. Produced circa 1976, it represents a common category of mass-market historical memorabilia created for the United States’ 200th anniversary. The construction is characteristic of the period, utilizing a pewter-alloy rim (often 'Pewterex' or similar sand-cast aluminum/pewter blends) and a central ceramic transfer-print medallion. Physically, the item shows moderate 'shelf wear,' including surface abrasions and localized pitting on the pewter, though the porcelain insert remains free of crazing. Authenticity as a 1970s collectible is highly probable given the design language; however, it is not an 'antique' from the 18th century, but rather a late 20th-century decorative piece. The market for Bicentennial memorabilia is currently oversaturated. These items were produced in high volumes and lack the scarcity required to drive significant appreciation. Comparable sales on secondary markets (e.g., eBay or local estate auctions) consistently place similar mixed-media plates in the $15–$35 range depending on the specific manufacturer (such as Wilton RWP or York Metalcrafters). Limitations: This valuation is based on visual representative data. A physical inspection is required to check for manufacturer hallmarks on the reverse, which can slightly affect brand-specific value. I cannot confirm the exact metallurgical composition of the rim without X-ray fluorescence (XRF) testing, nor can I verify the presence of lead or structural repairs to the adhesive bonding the porcelain to the metal. Provenance documentation, such as the original box or certificate of authenticity, would be necessary to reach the high end of the estimated value range.