Artist's Signature on Textured Abstract Artwork

The item depicted is a close-up detail of an artist's signature, "Rina Sultzkes", rendered in black script writing, likely ink or paint, on a vivid, multi-colored abstract artwork. The artwork itself features a heavily textured surface, suggesting the use of impasto techniques, thick paint application, or an underlying textured medium. The color palette of the background appears warm and autumnal, dominated by shades of speckled orange, red, yellow, and possibly some green or blue undertones, indicating a dynamic and expressive style. The texture creates a mottled, almost granular effect across the surface. The signature is prominently placed, suggesting it is either a finished work or a detail from a larger piece. There are no visible signs of damage, wear, or repairs to the signature itself. The digital nature of the image, as evidenced by the screen glare, 'eg' text, and 'i' and zoom icons at the top, prevents accurate assessment of the artwork's overall condition, dimensions, and framing. However, a thin, light-colored border or frame element is visible at the very bottom of the image, suggesting the artwork is framed. The quality of the signature's execution appears confident and fluid, indicative of an artist's personal mark. Without further context, the style period is difficult to pinpoint precisely, but the abstract nature and bold colors suggest a 20th or 21st-century origin.