Hand-blown glass tumbler

The image displays a hand-blown decorative glass tumbler featuring blue and yellow swirl patterns. This specific item appears to be an artisanal or handmade piece of glassware, which lacks visible brand logos, serial numbers, or commercial identification tags.

Hand-blown glass like this is common in boutique workshops across Europe (particularly Scandinavia, Italy, and the Czech Republic) and Mexico. Because there is no visible branding or packaging, the ultimate owner and exact country of origin cannot be definitively identified from the visual evidence provided. It likely originates from an independent craft studio rather than a major global corporation.