Studio Art Glass Bowl signed 'SIN'

This is a handblown studio art glass vessel. It is a large, shallow bowl or charger-like form, featuring a swirling pattern of opaque white and translucent aqua or teal glass. The glass exhibits a deliberate, organic movement in the coloration, with darker lines of color visible within the lighter areas. The interior surface appears smooth and polished. There is a signature clearly visible on the interior base of the vessel, reading "SIN" in what appears to be etched or engraved script. The form is wide and open, suggesting it could be used as a decorative display piece or potentially for a specific function, although its primary appeal appears to be artistic. The overall craftsmanship suggests it is a quality piece of studio art glass. There are no immediately visible signs of chips, cracks, or significant surface damage in the provided image.

Upon visual examination of this studio art glass bowl, I can attest to its quality craftsmanship. The piece is a substantial, handblown vessel with a dynamic swirling pattern of white and aqua/teal, demonstrating considerable skill in its execution. The signature, clearly engraved as 'SIN', is the primary factor in its identification. Research into this signature yields limited and inconsistent results in major art glass databases, making direct attribution difficult. The signature style does not immediately align with highly prominent artists known by this moniker. While the piece is aesthetically pleasing and well-made, its value is tempered by this artist ambiguity. In the current market, decorative studio glass by unknown or lesser-known artists generally commands prices based on decorative appeal rather than name recognition. A similar-sized, unsigned decorative bowl of this quality would typically sell in the lower end of the estimated range. Without provenance or further identifying information, the signature adds intrigue but not significant monetary value at this time. For full authentication, an in-person examination to assess the glass quality, pontil mark, and signature style against known examples would be necessary. Locating this artist in studio glass directories or auction records would be required to establish a firmer market.