“THE STREAM”: This painting by Daniel Garber is one of more than 130 works of art to be featured in the Gratz Gallery and Conservation Studio Modern Art and Fine American Paintings online auction on March 17. A special preview day is Saturday, March 16, from 12 to 5 p.m. at the gallery in Doylestown, Pa.

On March 17, at 11 a.m., Gratz Gallery and Conservation Studio is again partnering with Invaluable.com for its second Modern Art and Fine American Paintings Auction.

The online auction will include more than 130 lots of works by American and international artists. Included are a selection of fine American paintings and an array of impressionist, realist, modern art, abstract and surreal, and decorative art as well as small, unknown treasures and gems. The online catalog is available for viewing at gratzgallery.com, where there is also a direct link to the live auction site at Invaluable.com.

Works included in the auction reflect a selection from a wide spectrum of art genres, from the 19th to 21st century. The gallery offers a varied selection of paintings, etchings, drawings, sculptures, and frames.

Featured are American artists such as Walter Emerson Baum, Paulette Van Roekens, John Pierce Barnes, Henry Snell, Frederick Harer, Emile Gruppe, Arthur Meltzer, Harry Bertoia, and Clarence Carter, as well international artists such as Peter Howell, Thomas Sherwood LaFontaine, and Raymond Douillet-Chevoleau.

It is an online exclusive auction, held in cooperation with the auction platform Invaluable.com. Interested bidders must register and place bids with their online auction collaborators. Invaluable.com allows for both absentee and live real-time online bidding. Gratz Gallery is able to extend a low buyer’s premium to its clients, offering very competitive estimates on this inventory of fine American and modern paintings.

A special preview day is Saturday, March 16, from 12 to 5 p.m. at Gratz Gallery and Conservation Studio, 5230 Silo Hill Road, Doylestown.