Sources & evidence
We analyze comparable sales from screener sessions and market records, then group them by shared object signals.
- Comparables
- 7
- Auction sources
- 11
- Records with images
- 1
- Coverage
- 2019-2026
Market Examples
Comparable market evidence
Recent auction and sale records linked to this worth guide's object signals.
Barry S. Slosberg Inc
Jul 23, 2025
$30
Knives & Door Knob Lot
Knives and Door Knob Lot, including: nine pocket knives by Gamins, Camp King, Cut Master, Hummer, Imperial and other, plus German 7 1/2" hunting knife and a clear glass 7" door knob set. CONDITION: Some wear from age and use.
View saleConverse Auctions
Mar 20, 2021
$10
ANTIQUE VINTAGE DOOR HARDWARE & ADVERTISING CRATE
View saleAtlee Raber Auctioneer
Mar 24, 2025
$70
5 Antique Clear Glass Doorknob Sets & 2 Large Faceted Crystal Knobs
View saleMiddleManBrokers
May 15, 2024
$200
Murano Millefiori Glass Paperweight Door Knob 2pc
View saleR & R Auction INC
Apr 4, 2026
$10
Antique Doorknobs, Mortise Back and Front Plates
Black Porcelain Door Handles
View saleR & R Auction INC
Nov 10, 2019
$20
Antique Radio, Glass Door Knob, framed photos
View 1 more comparable record
Identification
Key object facts
- Item Type
- door knobs
- Category
- architectural salvage / antique hardware
- Maker
- Unknown / not identified
- Style
- Victorian
- Material
- glass, brass
- Technique
- pressed glass
- Origin
- United States
- Era
- 1890-1925
- Motifs
- faceted
Recognition Recognition signals
- Key identification signals include maker Unknown / not identified, form door knobs, material glass, brass.
- Six matched pairs of faceted amethyst-purple glass door knobs with brass hardware/spindles, likely antique architectural salvage. The price shown in the listing appears on the high side unless the pairs are fully complete, matched, and from a documented single-house removal.
- This guide is currently supported by 14 comparable-market records in the strongest linked screener session.
Drivers Value drivers
- Condition and completeness are material for door knobs.
- Maker attribution matters because authenticated Unknown / not identified examples usually trade differently from unmarked lookalikes.
- Glass, Brass examples should be checked for wear, repairs, restoration, and replacement parts.
Market Market context
- The median selected comparable price for this cluster is about $65.
- Correct maker attribution is important because verified Unknown / not identified examples usually trade differently from unattributed door knobs listings.
- Victorian style cues help separate this group from broader door knobs listings that often dilute market comps.
- Glass, Brass condition, restoration, and finish quality can materially shift asking and sold prices.
Evidence
How this guide was assembled
- This worth guide is based on 1 supporting screener session clustered into the same topic.
- Observed value signals across supporting evidence span roughly $120 to $425.
- Overall evidence quality for this cluster is currently developing evidence.
- Comparable evidence is drawn from 11 auction sources in the selected evidence set.
Coverage
Source coverage and evidence quality
- The current cluster is supported by 1 screener session that normalized into the same worth topic.
- The strongest linked session for this cluster captured 14 comparable market records.
- Selected comparables span 11 distinct auction sources.
- Comparable dates on this page currently cover 2019-2026.
Questions
Frequently searched questions
What is an Unknown / not identified door knobs?
This page is a market guide for identifying an Unknown / not identified door knobs and understanding the main factors that influence collector demand and price.
What affects the value of a door knobs?
Condition, completeness, maker or pattern attribution, dimensions, age, rarity, and comparable-market evidence all affect value.
What is the typical market range for Unknown / not identified door knobs?
Current supporting screener evidence suggests a broad market range around $120 to $425, depending on condition and attribution.
Manganese Amethyst Glass Knobs?
This guide uses clustered screener evidence to help answer searches like "manganese amethyst glass knobs" with identification notes, value drivers, and comparable-market context.
How much is Unknown / not identified door knobs worth?
Value depends on maker, exact type, age, condition, and comparable sales. This guide keeps only selected market examples that match the door knobs topic closely enough for public reference.
Intent
Related searches
Related Guides
Explore nearby worth topics
Artist Market Index
Artist guides for maker comparison
When a worth question depends on a maker, signature, or attribution, compare this object guide with high-volume artist auction pages.
Next step
Ready to find out what yours is worth?
Upload photos and get an expert appraisal for your door knobs. We review the object, condition, and comparable evidence in context.
