Including Art Nouveau & Art Deco auction will feature a rare Loetz Argus glass vase designed by Austrian Kolomon Moser, a participant in the Vienna Secession art movement. "The Loetz Argus glass ...

The total value of an artist’s artworks sold at auction over a specific period. This metric reflects the artist’s overall market activity and demand in monetary terms. The middle value of all realized ...

Tracks the change in total value of sales, as well as the total number of lots offered and sold annually in the art market. This chart shows whether Loetz’s total sales are going up, and if so, ...

After this appraisal aired, we received viewer feedback questioning Alan Kaplan's description of how art glass is made, specifically in reference to the Bohemian vase. Kaplan has since written to ...

Executive producer Marsha Bemko shares her tips for getting the most out of ANTIQUES ROADSHOW. Value can change: The value of an item is dependent upon many things, including the condition of the ...