gerard van weyenbergh
Olympia, by Manet, decrypted.
gerard van weyenbergh
Provenance of an artwork is primordial to obtain a C.O.A.
gerard van weyenbergh
An artwork is also a material substance with physical and chemical components
gerard van weyenbergh
Expert responsibility if a fake artwork is sold.
gerard van weyenbergh
Responsibility of an auction house if a fake is sold.
gerard van weyenbergh
An art expert: what he should be and do.
gerard van weyenbergh
Restellini, Modigliani expert, sues Wildenstein-Plattner Institute
gerard van weyenbergh
Free apps to have for the art amateur and the expert.
gerard van weyenbergh
Disappointed new customer, contacts me for an art authentication
gerard van weyenbergh
All about art authenticity, errors and scams on the net
gerard van weyenbergh
All about art authenticity, obtain a C.O.A. with chemical analysis.
gerard van weyenbergh
All about art authenticity, art authentication is not a rigorous science.
gerard van weyenbergh
All about art authenticity, provenance is essential to obtain a C.O.A.
gerard van weyenbergh
All about art authenticity, the seven steps in an authentication process.
gerard van weyenbergh
All about art authenticity, is a Certificate Of Authenticity 100% sure?
gerard van weyenbergh
All about art authenticity, C.O.A. indisputable?
{"items":["5f1df764b444980017c6c114","5f0f2e1fd3e18f00176e4efd","5f0e424b0fc9200017ecf8be","5f08a64a0f36fe0018505876","5f074666a1f8d80017b7d753","5f0604d17efec80017d1b043","5f0493e0afd8db00174e214f","5ef38e2d734abc0017ce461e","5eecda8b9df5b10017406c40","5ec4019d82df1a001874dee6","5ec2bba88fba860017a1264a","5ec16eaa9d483300175f4ebe","5ec01273977c5e00170ec054","5ebec6ecbdb59e0017858935","5ebd626a3ca88b00178bf9b3","5ebc2adb96ec48001770e45c","5eb98a53304a8c00176ddd0b"],"styles":{"galleryType":"Columns","groupSize":1,"showArrows":true,"cubeImages":true,"cubeType":"fill","cubeRatio":1.3333333333333333,"isVertical":true,"gallerySize":940,"collageAmount":0,"collageDensity":0,"groupTypes":"1","oneRow":false,"imageMargin":16,"galleryMargin":0,"floatingImages":0,"chooseBestGroup":true,"smartCrop":false,"hasThumbnails":false,"enableScroll":true,"isGrid":true,"isSlider":false,"isColumns":false,"isSlideshow":false,"cropOnlyFill":false,"fixedColumns":1,"enableInfiniteScroll":true,"isRTL":false,"minItemSize":50,"rotatingGroupTypes":"","rotatingCubeRatio":"","gallerySliderImageRatio":1.7777777777777777,"numberOfImagesPerRow":1,"numberOfImagesPerCol":1,"groupsPerStrip":0,"borderRadius":0,"boxShadow":0,"gridStyle":1,"mobilePanorama":false,"placeGroupsLtr":false,"viewMode":"preview","thumbnailSpacings":4,"galleryThumbnailsAlignment":"bottom","isMasonry":false,"isAutoSlideshow":false,"slideshowLoop":false,"autoSlideshowInterval":4,"useCustomButton":false,"bottomInfoHeight":0,"titlePlacement":"SHOW_ON_THE_RIGHT","galleryHorizontalAlign":"center","galleryTextAlign":"center","galleryVerticalAlign":"center","scrollSnap":false,"itemClick":"expand","fullscreen":true,"allowSocial":true,"allowDownload":false,"allowTitle":true,"allowDescription":false,"loveButton":true,"loveCounter":false,"videoPlay":"hover","scrollAnimation":"NO_EFFECT","scrollDirection":0,"overlayAnimation":"FADE_IN","arrowsPosition":0,"arrowsSize":23,"watermarkOpacity":40,"watermarkSize":40,"useWatermark":true,"watermarkDock":{"top":"auto","left":"auto","right":0,"bottom":0,"transform":"translate3d(0,0,0)"},"loadMoreAmount":"all","defaultShowInfoExpand":1,"allowTitleExpand":true,"allowDescriptionExpand":true,"allowLinkExpand":true,"expandInfoPosition":0,"allowFullscreenExpand":true,"fullscreenLoop":false,"galleryAlignExpand":"left","addToCartBorderWidth":1,"addToCartButtonText":"","slideshowInfoSize":200,"playButtonForAutoSlideShow":false,"allowSlideshowCounter":false,"hoveringBehaviour":"NEVER_SHOW","thumbnailSize":120,"magicLayoutSeed":1,"imageHoverAnimation":"NO_EFFECT","calculateTextBoxHeightMode":"AUTOMATIC","calculateTextBoxWidthMode":"PERCENT","textBoxHeight":0,"textBoxWidth":200,"textBoxWidthPercent":50,"textImageSpace":10,"textBoxBorderRadius":0,"textBoxBorderWidth":0,"textsVerticalPadding":0,"textsHorizontalPadding":-30,"titleDescriptionSpace":6,"customButtonText":"","customButtonBorderWidth":1,"customButtonBorderRadius":0,"loadMoreButtonText":"","loadMoreButtonBorderWidth":1,"loadMoreButtonBorderRadius":0,"imageInfoType":"ATTACHED_BACKGROUND","itemBorderWidth":1,"itemBorderRadius":0,"itemEnableShadow":false,"itemShadowBlur":20,"itemShadowDirection":135,"itemShadowSize":10,"imageLoadingMode":"BLUR","expandAnimation":"NO_EFFECT","imageQuality":90,"usmToggle":false,"usm_a":0,"usm_r":0,"usm_t":0,"videoSound":false,"videoSpeed":"1","videoLoop":true,"gallerySizeType":"px","gallerySizePx":940,"allowContextMenu":true,"itemBorderColor":{"themeName":"color_12","value":"rgba(204,204,204,1)"},"galleryLayout":2,"modifiedGallerySize":true,"selectedLayout":"2|bottom|1|fill|true|0|true","layoutsVersion":2,"selectedLayoutV2":2,"isSlideshowFont":false,"externalInfoHeight":0,"externalInfoWidth":0.5},"container":{"width":940,"galleryWidth":972,"galleryHeight":1440,"scrollBase":0,"height":null}}