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Letchworth Arts and Crafts Show

Portage Bridge Painting by Theorem Paintings by American Folk Artist Nancy Rosier of Williamsburg Virginia

Portage Bridge Painting by Nancy Rosier - Based on Lithograph Colonial Williamsburg

Letchworth Arts and Crafts Show

Please joint Nancy Rosier American Folk Artist at Letchworth State Park (Upstate NY) for the 43th Letchworth Arts and Crafts Show.  Museum reproductions and traditional American folk art. Letchworth Park is a special place for my husband Bill and I since we got engaged near the Portage Bridge.  I will be bringing over 130 traditional & contemporary theorem paintings to this great art festival.  Questions...

2018 Show Hours:

Saturday, October 6: 10-5 p.m.
Sunday, October 7: 10-5 p.m.
Monday, October 8: 10-4 p.m.


  • American Folk Artist Nancy Rosier
  • Traditional Theorem Paintings
  • Museum Reproductions

American Folk Artist Nancy Rosier

Artist Nancy Rosier has become a nationally recognized artist and authority on theorem painting. Many magazines, newspapers, and several books have featured her work. She has been interviewed often and asked to write numerous “how to” articles. Her work is exhibited and sold at fine-juried shows across the country. She was chosen by the White House to create a theorem ornament for the Blue Room Christmas tree. She has been selected each year for over twenty years as a member of the nationally acclaimed “Directory of Traditional American Crafts” which showcases America’s finest artisans who are dedicated to preserving the early American crafts.

Theorem Gallery Page - American Folk Artist Nancy RosierVisit my Online Gallery

I offer over 150 hand painted theorem paintings.  The page you are now on shows a thumbnail image of each painting I offer.  Each thumbnail image shown below can be clicked on to view an exploded view of the painting, description, and shopping cart.  Learn More...

Letchworth Arts & Crafts Show - Nancy Rosier American Folk Artist attends this show!

Find Us at Letchworth Park

Please use the following address for your GPS: Harvey Swimming Pool in the Highbanks Recreation Area.  We are at booth location G06 (Red X on Map)! Just click on map for a full size image!  View enlarged Map...

Fruit Bowl with Checked Background by Nancy Rosier American Folk ArtistWhat Are Theorem Paintings?

What areTheorem painting? (meaning painting with the aid of stencils) is considered traditional American folk art. It was popular in the 1800s. Theorem painting is most often done on white velvet fabric (Paintings on Fabric), which gives the painting a soft, lovely depth. Oil paint is presently used as it simulates the look of the antique theorems whose paint was hand mixed.  Learn More...