cigarette case japan Vintage Japanese Gold and Black Damascene File:Vintage Japanese-Style Design Cigarette Case,

Another manufacturer, Hollingsworth & Vose Company, produced the asbestos filters that Lorillard used for its Kent Micronite brand

"Cigarette filters as a major source of microfibers in aquatic environments" (PDF)

Cigarette filters predominantly comprise CA fibers and chemical additives for filtration and manufacturing, altering their physicochemical and thermal properties and influencing their interactions with the environment upon disposal

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Some light surface wear to the edges of the case as presented in the photos, and consistent with age and use

Also in the same category is Dorral, who, in 1972, used the same technique