Castor Jars: Victorian Art Glass Condiment Containers
Castor jars (also spelled caster jars) are the individual glass containers that fit into castor sets (revolving condiment frames). While they functioned as holders for mustard, pepper, salt, and other condiments, Victorian-era castor jars were produced by leading American art glass manufacturers in an extraordinary range of colors, patterns, and decorative techniques, making them highly collectible in their own right. Collectors pursue both the jars themselves and the complete castor sets with their silver-plated or sterling frames.
Types and Styles
- Pattern glass castor jars: Pressed glass in hundreds of patterns matching popular tableware lines; clear, colored, and opalescent
- Art glass castor jars: Hand-decorated jars in Burmese, Peachblow, amberina, satin glass, and other art glass techniques
- Opalescent glass jars: White or colored opalescent patterns including Hobnail, Daisy & Fern, and Spanish Lace
- Cranberry glass jars: Deep red glass with enameled, gilt, or cut decoration; highly desirable
- Milk glass jars: Opaque white glass, sometimes painted or transfer-decorated
- Custard glass jars: Opaque yellow-green glass (uranium glass); glows under UV light
Identification
- Lid types: Original lids are important -- perforated tops for pepper/spice, slotted tops for sugar, hinged tops for mustard; lid type identifies function
- Glass maker attribution: Identify by pattern, color, and comparison with known manufacturer catalogs; Northwood, Fenton, Hobbs Brockunier, Mt. Washington, and others
- Silver-plate marks: Lids and frame hardware may bear maker marks from silverplate companies (Meriden, Rogers, Simpson Hall Miller)
- Size standardization: Castor jars were made to standard sizes to fit universal frames; measure diameter and height for compatibility
- Spoon slots: Mustard jars have slots in the lid for a condiment spoon; spoons should ideally be present
Auction Price Ranges
| Category | Typical Range | Exceptional Examples |
|---|---|---|
| Pattern glass castor jars | $10 - $50 | $150+ for rare patterns |
| Cranberry glass jars | $30 - $150 | $400+ for elaborate enameling |
| Art glass jars (Burmese, Peachblow) | $100 - $500 | $1,500+ for Mt. Washington pieces |
| Opalescent glass jars | $20 - $100 | $300+ for rare patterns/colors |
| Custard glass jars | $25 - $100 | $250+ for decorated examples |
| Milk glass jars (decorated) | $15 - $75 | $200+ for hand-painted examples |
| Complete with silver-plate lid | add 20-40% | -- |
Condition Factors
- Lid match: Original lids should fit snugly and match the jar in style and period; mismatched lids reduce value
- Chips: Even small chips to rim edges significantly reduce value; rims are particularly vulnerable
- Glass clarity: Cloudiness or interior staining from condiment residue is undesirable; clean, bright glass is preferred
- Enamel and gilt decoration: Hand-painted decoration should be intact; wear to enameling reduces value proportionally
- Pattern sharpness: Well-defined pattern molding indicates quality; blurred or soft patterns suggest later production
Collecting Tips
- Art glass jars are the premium category: Burmese, Peachblow, and amberina castor jars represent the intersection of art glass and functional tableware
- Collect jars separately from frames: Individual castor jars are affordable and displayable without the silver-plated frames
- Cranberry glass has universal appeal: Cranberry castor jars are popular with both glass and Victorian collectors; they display beautifully
- Match jars to frames for maximum value: Assembling period-appropriate jars into compatible frames creates complete castor sets worth more than the sum of parts
- Check UV response: Custard and vaseline glass jars fluoresce green under ultraviolet light, confirming uranium content and period production
- Mustard spoons are often missing: Original condiment spoons are frequently lost; their presence adds value to the jar