Parker
Parker 51 Custom/Standard Set (with matching pencil and likely a demi or companion pen)
Fountain Pen Set

Filling System
Aerometric or Vacumatic (typically Aerometric for later models or Vacumatic for early 1940s)
Condition
Good (as stated in listing, minor surface wear expected for age)
Estimated Value
$50 - $150 depending on full functionality and exact variant
Era
Vintage 1940s-1950s
Pen Specifications
Pen Type
Fountain Pen Set
Filling System
Aerometric or Vacumatic (typically Aerometric for later models or Vacumatic for early 1940s)
Body Material
Lucite (Thermoplastic)
Trim Material
Lustralloy (Stainless Steel with chrome/silver finish)
Color / Pattern
Cordovan Brown (or Cedar Blue/Buckskin Beige depending on lighting, appears to be Cordovan Brown)
Cap Type
Slip Cap
Clip Design
Parker Arrow clip with blue diamond (on some variants) or standard open-end arrow clip
Barrel Shape
Cigar-Shaped / Streamlined
Nib Details
Nib Material
14K Gold (hooded)
Nib Size
Medium
Nib Type
Standard
Nib Condition
Assumed good, hidden by hood design typical of Parker 51
Dimensions
Size / Dimensions
Standard length capped approx 137 mm
Weight Estimate
Medium weight, well-balanced
Heritage & Origin
Era / Period
Vintage 1940s-1950s
Country of Origin
USA
Rarity
Common
Condition & Value
Overall Condition
Good (as stated in listing, minor surface wear expected for age)
Filling System Condition
Untested; sac or vacumatic plunger may need restoration depending on exact sub-model
Estimated Value
$50 - $150 depending on full functionality and exact variant
Special Features
Includes original presentation box with Parker 51 branding on the inner silk lining
Ink Recommendations
Parker Quink Blue or Black (safe, washable modern inks)
Care Recommendations
Flush thoroughly with cool water; avoid harsh chemical solvents or ultrasonic cleaners on vintage plastics
Interesting Facts
Introduced commercially in 1941 to coincide with Parker's 51st anniversary, the Parker 51 is often hailed as one of the best-selling and most reliable pens of all time.
Overall Assessment
An iconic mid-century vintage set featuring the revolutionary hooded nib design, representing a significant piece of writing instrument history.