painting

I try to find out in artprice.com and I think it depends of the size and type of artwork (oil, watercolor). This is a copy and paste of what I find out: Wilhelm Egon WIEDEMANN (1905-1969) Estimate an artwork - Post an ad - Add to MyArtCollection Auction records [ 6 ] Page(s) - [1] Currency : EUR USD GBP Sizes: in cm Sort out by : SALES DATE Hammer price Title Size Medium Date of creation Interieur mit Figuren Painting, Oil/masonite (19 5/8x23 5/8 in) Not sold Estimate CHF 500 Dobiaschofsky Auktionen AG , Bern BE SWITZERLAND , 20 May 2006 Full details / Auction catalogue Palmenlandschaft im Abendrot Painting, Acrylic/canvas/board (23 7/8x31 3/4 in) Not sold Estimate CHF 600 Dobiaschofsky Auktionen AG , Bern BE SWITZERLAND , 20 May 2006 Full details / Auction catalogue Die drei Grazien (1949) Painting, Oil/canvas/panel (39x26 3/4 in) EUR 585 Estimate CHF 800 Dobiaschofsky Auktionen AG , Bern BE KUNST SWITZERLAND , 12 Nov 2005 Full details / Auction catalogue Mädchen im Tropenwald (1946) Drawing-Watercolour, Watercolour/paper (22x29 7/8 in) EUR 330 Estimate EUR 300 - 400 Neumeister , Munich NEUMEISTRERS MODERNE GERMANY , 10 Nov 2005 PERSONAL RESEARCH report available Full details / Auction catalogue Junges Mädchen mit Kind (1947) Drawing-Watercolour, Watercolour/paper (27 1/6x19 1/4 in) EUR 330 Estimate EUR 300 - 400 Neumeister , Munich NEUMEISTRERS MODERNE GERMANY , 10 Nov 2005 PERSONAL RESEARCH report available Full details / Auction catalogue Tanzendes Kubanerpärchen (1939) Drawing-Watercolour, Watercolour/paper (21 1/4x16 1/2 in) EUR 200 Estimate EUR 150 Hugo Ruef , Munich ALTE UND MODERNE KUNST GERMANY , 08 Dec 2004 Full details / Auction catalogue

Roberta?? Are you receveing the messages??