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Before and after: repairing water damage
Repairing water damage on a piece of hard board

A picture of an oil painting that had suffered because of moisture. Several paintings were stacked on top of each other and a deep crack appeared at the top of the painting. Probably a scratch at first and later moisture getting into that area, causing the fibers swell. I made the crack a bit wide, filled it in with gesso and that retouched all the damaged areas.
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Before and after: cleaning a painting
cleaning off decades of nicotine staining


A very soiled painting from 1955 that was covered in yellow smoke sooth. Details of the paintbrush strokes and subtle color differences were totally invisible until the piece was cleaned with home made cleaning gel as you can see applied on the right.
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German Artist: F. Müller
Unknown German artist F Müller

F Müller, late 19th early 20th century painter
sold, Hulstein Antiques

autograph F Müller, German artist
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Dutch artists: WH Bruinsma
unknown artist, WH Bruinsma

W.H Bruinsma, Doha Qatar 1955
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Dutch Artists: Han Krug
Johannes Krug, 1890-1977

Han Krug went to the Academy of Beeldende Kunsten in “the Hague” and after his studies he worked as a lithographic artist at several publishers. He also started painting landscapes and after 1918 he bought a press and started making wood block prints in which he developed great skills. He received a honorary certificate at the Los Angeles bookplate association
wood block print sold 2020 Hulstein Antiques

Han Krug
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Dutch Artists: AA MC Bolk
Adolph Bolk 1888-1960

Bolk was a flamboyant Dutch painter. He painted portraits, still life paintings and landscapes and was a member of the Amersfoortse Art society. He died in 1960 in Utrecht.

autograph Adolph Bolk

self portrait Bolk
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Dutch artists: Hetty Broedelet
Hetty Broedelet 1877-1966

Hester (Hetty) Broedelet-Henkes was a Dutch painter. She is mainly known for her floral still life paintings and portraits. Her work is sold all over the world. She was a member of several artistic societies, Pulchri Studio, Schilderessenvereniging ODIS and Haagse Kunstkring. Her work is part of the Singer museum and the Kunstmuseum Den Haag.
Hetty Broedelet, sold Hulstein Antiques 2021

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Before and after: bouquet
Before and after photo of a cleaned oil painting by Leonora van Bijsterveld

An oil painting that looks ‘faded’. The lacquer cracked in minuscule pieces, causing the light to fracture, creating that washed out appearance. The problem could have been created when the oil painting did not dried long enough and applying lacquer too soon after the painting was made.
The problem was instantly fixed when the old lacquer was removed and a new layer was applied, resulting in a beautiful fresh looking painting.
Sold, Hulstein Antiques 2021
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Belgian Artists: Charles Theunissen
Karel Carolus (Charles) Philippus Theunissen, 1871-1948

Charles Theunissen, was a well known Belgian painter. He grew up in the desolate and sparsely populated area of the Kempic heath fields. He was known for his modest, friendly and withdrawn personality. Charles began to draw in his younger years and he met many professional painters that were out landscape painting in nature. His talent was discovered and when he was sixteen, he went for education to the “ Koninklijke Academie” in Antwerp to develop his talents.
His teachers were: Jan-Willem Rosier, Karel Verlat and Piet van der Ouderaa. After his education he went to live in the town Liege, where he developed into an appreciated and highly valued portrayal artist. Social developments began to play a big role in his work; the industrial revolution, poverty and inequality. Theunissens paintings are highly appreciated in Belgium
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Dutch Artists: Muhlstaff
W (Wim) Muhlstaff, 1894-1982 was a teacher, graphical artist, (lithographs) and painter. He worked in Noord Holland, Amsterdam, Zaandam, Leiden. Texture plays a big rol in his minitious style

Muhlstaff was educated at “the Koninklijke School voor Beeldende kunsten” in Den Bosch and he was a member of artistic society “Ars Aemula Naturae” in Leiden. Works of Muhlstaff are sold by many auctioneers around the world, for example Christies.
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Belgian Artists: Gijzeman
Willem Adrianus Gijzeman, (1870 – 1920) was a Belgian painter.

Gijzeman was a Belgian painter W.A. Gijzeman mainly painted cityscapes, church interiors and still lives.
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Dutch Artists: Imko Reinders
Reinders, (1883-1972) was a building engineer and architect.

He was a also a selfmade painter and also worked (amongst others) for the Dutch glass industry Leerdam.
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Dutch Artists: F Frederiks
Watercolor painting 1944
Frederiks, Aquarel painting 1944 (hulsteinantiques 2019, sold)
no additional information is know about this artist.
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Dutch Artists: Anton Funke Küpper
Frans Funke Küpper (1908-1993) was a Dutch painter and illustrator.
Frans Funke Küpper was a sketch artist, painter and water colorist as well as a graphical designer. He learned the trade from his father and considered himself to be a sketch artist. He worked on commercial advertising, illustrations and comics. Later in his career he mainly took to painting.
Funke, hulsteinantiques 2019, sold
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Belgian Artists: Camille van Mulders
Camille Triest van Mulders, 1868-1949, was a Belgian painter
Mulders was born in in 1868. She studied with the Belgian painters Hubert Bellis and Jean-François Portaels. She focused on flower pieces, pastel drawings and oilpaintings. Her work was displayed at the 1893 World’s Columbian Exposition in Chicago, Illinois
This pastel is for sale
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Dutch Artists: L van Galen
(unknown artist)
knitting woman before a window, painting on linen late 19th century
L. van Galen, 19th century, (hulsteinantiques 2018, sold)
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Before and after: woodblock 1930’s
Cleaning a woodblock print from acids, Remiens 1930

I cleaned this Art Deco woodcut print made by the Dutch architect and artist Remiens. This woodcut also had some thicker ink layers that displayed a different elasticity than the paper. This resulted in some waving of the paper. I had to repeat the process of wetting and drying the paper several times to reach the final result.
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Before and after: woodcut 1950
Cleaning a big panoramic wood cut print by Han Krug

This was a fun job but at times also a challenging task. I peeled the paper inch by inch from the board on which it was glued. The wet paper was brittle and had to be handled with the necessary care. I used denatured water to relax the paper as fast as possible, using a sharp scalpel knife to remove the backboard. As expected, some pieces came off easily and some pieces were nerve wracking to remove.

After this the print was washed and pressed. This print had some thicker layers of ink, almost latex like, that had a different elasticity then the paper. This resulted in waving so I had to repeat the wetting and pressing of the paper until the final result was achieved. A new fresh looking wooden frame was used to protect the cheerful piece as well as a new piece of glass and a protective matte

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Before and after: cleaning a lithograph
cleaning of a print

This is a lithographic print by B Bokhorst. It was pressed on woodpulp rich, modern paper. This paper tends to yellow fairly quickly. With yellowing and high acidity comes brittleness of the paper so it’s best to clean this paper to be able to preserve it. Before the wash I sprayed the plate with some denatured water and 3 percent bioethanol. The ethanol penetrates the paper much faster than water which prevents the tearing of the paper fibers on a microscopic level
I washed the print in a solution of denatured water and some calcium hydroxide. and after drying and pressing the plate I mended some folds with Kozo paper and purified wheat starch glue. I filled in small damages and missing color with pencils. Since the litho closely resembles a pencil drawing it seemed like the right choice.
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Before and after: sunny garden by H. v. Bloem

I Cleaned this 19th century painting from the Dutch artist Bloem. This is the ‘After and before cleaning’ situation. I removed the old lacquer and applied a new protective layer of lacquer. Aside from cleaning this piece was in a great shape and did not need much work.