Overview
This is a classic example of 'Tango Glass,' a vibrant style of Art Deco glassware characterized by bold, monochromatic colors and contrasting rims.
Identification
Bohemian Tango Glass Vase, c.1920s
Photo reference
2 uploaded photos
Story
Tango Glass represents a pivotal moment in the 1910s and 1920s when Bohemian glasshouses abandoned intricate Victorian cutting in favor of bold, solid colors.
Maker / Origin
While pioneered by Loetz designer Michael Powolny, the immense popularity of the style led houses like Kralik and Welz to produce these vibrant, contrasting vessels for global export.
Condition & Value
Because the entire aesthetic relies on the uninterrupted line of the contrasting color, even minor fleabite chips to the applied red rim severely impact collector value. The glass appears to be in excellent vintage condition with no visible chips to the delicate red rim.
Full Research
See what it's actually worth.
Sold comps, value drivers, and venue guidance pulled from recent auction results.
Market Analysis
The market for Bohemian Tango Glass is fiercely bifurcated by maker attribution. Definitively verified Michael Powolny designs for Loetz establish the categorical ceiling, frequently achieving $300 to $1,000+ at auction. However, our subject item is unmarked and lacks shape-verification provenance. Therefore, we must anchor the valuation on direct comparables for standard, unattributed Czech export glass. An exact colorway match (yellow with red rim) realized $85 on Mercari, while similar unmarked yellow and black/dark-rimmed variants consistently clear $90 to $125 individually (e.g., $122 for a Welz trumpet vase on Etsy, and $93 per vase from a sold pair on Vinterior). The $75–$125 estimate reflects this established wholesale-to-retail secondary market for single, unmarked pieces, explicitly excluding the premium reserved for authenticated Loetz examples.
Value Drivers
▲ Vibrant, high-contrast Art Deco colorway (yellow with red rim) highly sought after in contemporary interior design.
▲ Intact applied fire-polished rim, which is the defining technical feature of the Tango style.
▲ Categorical popularity of Mid-Century and Art Deco minimalist glass among decorators.
Concerns
▼ Unmarked status caps the ceiling strictly at the 'Bohemian Export' level rather than the premium Loetz tier.
▼ Extreme vulnerability to condition issues; any fleabites, chips, or bruises to the applied red rim will incur a 40-60% deduction.
▼ Unknown exact dimensions (assumed 6-10 inch cabinet scale); a miniature scale would soften the lower end of the estimate.
Best Venue
Etsy or Chairish
Upside Potential
Positive structural verification matching a known, cataloged Michael Powolny/Loetz shape would immediately elevate the value into the $250+ tier.
Authenticity Notice
Risk level: Medium for misattribution. While outright modern counterfeits of basic Tango glass are rare, the 'Loetz' name is heavily over-applied by sellers to unmarked Kralik or Welz pieces. Verification requires consulting shape catalogs (e.g., Loetz.com) rather than relying on style alone.
The upgraded report is now attached to this item.