Burelage (),"Burelage" and "burelé" are used to describe the 50 francs View of Paris stamp in Dallay catalogue, 2007-2008, page 183. also burelé, is a French term referring to an intricate network of fine lines, dots or other designs printed over or as the background of some postage or revenue stamps to prevent counterfeiting.
网络释义
1、底纹图案
...边框与底纹 border and shading底纹图案 burelage底纹效果 paint daubs; under painting; underpainting ...