Vintage Mid-20th Century Chester Sterling Silver Gilt Interior Pill Box. An absolutely stunning small silver 925 pill or possibly a vinegarette/snuff box. Unfortunately I can't quite read the Hallmarks. Some more research required.
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4 cm wide
3 cm depth
2 cm tall
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This is high quality. It opens and closes with a lovely click. 
Gilded Interior. The warm gold tone inside is vermeil (gilt silver).
 
This was done for practical reasons:
Protected the silver from corrosion
Ideal for pills, snuff, lozenges, or cosmetics
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Construction Quality
Clean hinge alignment
Even gilt finish (light wear only)
Crisp serpentine shaping inside and out
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We believe this suggests high-quality commercial English silver, typical of Chester production in the 1940s–1950s. Although the Hallmarks are difficult to read .
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A charming mid-20th century Chester sterling silver pill or trinket box, beautifully crafted in an elegant serpentine form. Fully hallmarked with lion passant and 925 fineness mark, the interior is richly gilded — a practical and traditional finish designed to protect contents and enhance durability. Compact and tactile, this lovely personal box would originally have held pills, snuff, or small keepsakes. A timeless piece of everyday luxury, combining practical function with classic English silver craftsmanship