Textured glass drinking tumbler

This is a heavy, clear glass drinking tumbler featuring a deeply textured, organic exterior surface. The glass is colorless and transparent, though it catches the light with dynamic refractions due to the uneven, bumpy, and frosted-looking exterior pattern, which resembles melting ice, tree bark, or rugged stone. The tumbler has a slightly flared rim that tapers downward toward a heavy, solid base. The interior surface appears smooth to the touch, contrasting with the tactile, rough-hewn exterior texture. There are no visible maker's marks, signatures, stamps, or labels present in the image to provide a definitive manufacturer attribution, making the exact maker and production date unverified. Based on the aesthetic style and texture, the piece is consistent with mid-century modern glassware designs, often associated with manufacturers producing textured or bark-effect glass during the 1960s or 1970s. The item appears to be in generally good condition with no obvious chips or cracks visible in the photograph, though it exhibits minor signs of everyday use. The identification rests purely on the visual characteristics of the glass and its form, without any supporting marks.

Based on what I can see in the photograph, this heavy, clear glass drinking tumbler features a deeply textured, organic exterior surface and a smooth interior. The piece is consistent with mid-century modern glassware designs from the 1960s or 1970s. However, I can't verify from a photo the exact manufacturer or production date, as there are no visible maker's marks, signatures, stamps, or labels present to provide an attribution. I would need physical inspection to confirm the glass weight, composition, and potential faint markings. The item appears to be in generally good condition with minor signs of everyday use and no obvious chips or cracks. The estimated value range of $25 to $50 assumes the piece aligns with vintage mid-century textured glassware popular among collectors of retro table settings. General market demand for unbranded mid-century barware is modest, with buyers typically seeking aesthetic appeal rather than investment-grade assets. If this item turns out to be a modern reproduction, replica, or mass-market copy produced in the style of mid-century bark glass, the value would likely decrease to the $10-$20 range. To better understand the item's background, physical handling, an in-person examination by a decorative arts specialist, and potential comparison with known period catalogs would be necessary.