PETER AUGUST HELM fine art rare book masterprint CATALOGUES ONLINE Peter Helm Kunst-und Sachverstaendigenbureau BVS EXPERT

Peter August Helm

BVS EXPERT

european prints and books

1500-1800

Kunst-und SachverstaendigenBureau

2003-2019

polygraphicum@icloud.com

PETER A. HELM

polygraficum 1980 polygraphicum

fine art  rare book masterprint

ILLUSTRATED ONLINE CATALOGUES

since 

2002