Modernist abstract lithograph signed 'Calder' (not authenticated)

This framed wall art features a vibrant modernist abstract composition consisting of various geometric shapes, including triangles, circles, and oblongs rendered in a bold primary and secondary color palette of red, orange, blue, yellow, black, and white. The shapes are outlined with heavy black linework against an off-white background, exhibiting a style strongly associated with mid-century abstract expressionist and mobile-maker aesthetics. At the lower right corner, the piece bears a signature reading 'Calder'. The artwork is presented under glass within a simple black wooden frame. Given the presence of blue-chip artistic styles associated with names like Alexander Calder, this piece must be treated as unauthenticated, as reproductions, prints, and forgeries are common in the secondary market. The visual identification rests entirely upon the visible signature and the stylistic elements characteristic of the mid-20th century modern art movement, though no physical inspection, provenance check, or formal examination of the printing technique or paper has been conducted to verify its origin or status.

Based on what I can see in the photograph, this framed wall art features a vibrant modernist abstract composition with bold primary and secondary colors, heavy black linework, and a signature bearing the name 'Calder' at the lower right corner. The piece is presented under glass in a simple black wooden frame. I can't verify from a photo alone whether this is an authentic autograph work, a limited-edition lithograph, or a decorative reproduction, as printing techniques, paper quality, and ink types require physical inspection to evaluate. My value estimate of $3,000 to $5,000 assumes that the piece is a period-appropriate, pencil-signed lithograph corresponding to the style of Alexander Calder. Mid-century modernist prints and lithographs by prominent artists generally experience steady demand in the secondary art market, though values fluctuate widely based on edition size, paper condition, and market trends. To properly assess this work, an in-person examination by a qualified paper conservator or fine art expert would be needed, along with provenance documentation and research into known catalogue raisonné entries. If further investigation reveals that the item is a reproduction, a decorative poster, or merely in the style of the artist rather than an authorized edition, the market value would decrease significantly, typically falling into the $100 to $300 range purely as decorative mid-century style framing art.