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U-303Common
Porcelain Signal
Porcelain · Honey Amber
Rarity Index
3/10
Value Guide
Not priced
A brown glazed porcelain signal style.
Key Specifications
CD NumberU-303
ManufacturerPorcelain
MaterialPorcelain
ColorHoney Amber
Style / NamePorcelain Signal
Thread TypeThreaded
Base TypeSmooth Base
CountryUnited States of America
Era1900-1950
Eagle Cap Collectibles Grading Scale
MMint — factory-perfect, no wear.
ANear/Very Near Mint — tiny pings, flea bites, up to 3 blunted drip points; factory features OK.
BVery Good — wire-groove wear, 4–10 base nibbles or blunted drips, up to 3 broken drips.
CAverage — up to 3 minor chips (<1" total), a bruise under ½", 4–10 broken drips.
DDamaged — chip/slice over 1", fractures, bruise over ½", 10+ broken drips.
RRepaired — value depends on the repair.
XAltered — irradiated or heated to change color.