Hi, just to be pedantic. I used to teach this at art school. ''CHAMPLEVE
ENAMEL: A process in which the sections containing various colored enamels
are carved out of the surface of the base, rather than formed by soldering
thin strips of metal to the base, as in cloisonne enamel.
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The Cinelli badges are acid etched to leave the raised fields (Champs
Leve) then enamel filled and fired. Mark Stevens Evanton Scotland