Preliminary identification
Photo reference
1 uploaded photo
Overview
This vibrant yellow plastic insert is a classic piece of Mid-Century industrial design, specifically engineered to bridge the gap between different record formats. Known affectionately as a 'spider,' it allowed the large-hole 45 RPM singles of the rock 'n' roll era to play on standard small-spindle turntables.
Story
In 1949, RCA Victor launched the 45 RPM record with a massive center hole to facilitate lightning-fast mechanical disc changes. This little yellow insert became the universal tool that let teenagers bring the latest hits to any party.
Maker / Origin
Webster-Chicago, later known as Webcor, was a titan of the early high-fidelity era. While they made famous wire recorders and phonographs, their most enduring legacy is this humble, snap-in plastic geometry that solved a massive hardware compatibility war.
Condition & Value
The adapter appears to be in good vintage condition with clear embossing and no visible stress fractures in the plastic arms. Minor surface dirt is present, but the yellow pigment remains vibrant. Originality to the period is the primary value driver.
Full Research
Sold comps, value drivers, and venue guidance pulled from recent auction results.
Build on this identification
Layer in sold comps, value drivers, and venue guidance.
Comparable demand stays strongest where maker, originality, and venue confidence line up. Broader examples still trade, but the range tightens quickly when provenance, condition, or selling lane fit is missing.
Best Venue
Specialty auction or a focused dealer with buyers already in this lane.
Signed example with light edge wear and original frame.
Comparable format with stronger provenance and cleaner surface.
Smaller related piece with visible craquelure and trimmed margins.
Period match with softer condition and weaker subject matter.
Close market lane comp with similar material and presentation.