POLYGRAFICUM William Tell 18th century Aquatint & mixed media POLYGRAPHICUM CATALOGUES ONLINE since 2000 by eberbach HELM lindach <> committed to excellence <> peter.helm@polygraphicum.net

POLYGRAFICUM William Tell 18th century Aquatint & mixed media https://web.archive.org/web/20201023005152mp_/https://sites.google.com/site/gocomogle/polygraficum illustrated catalogues online by peter helm since 2000 https://web.archive.org/web/20080622063210/http://www.polygraphicum.de/Aquatinta.html https://sites.google.com/site/cataloguespolygraphicum committed to excellence since 1980 https://web.archive.org/web/20080622060939/http://www.polygraphicum.de/Schweiz.html peter.helm@polygraphicum.net

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