// Home & Office

Esterbrook J Fountain Pen Copper (1948)Verified

Last updated 09/10/2026

Market value · used

$46

10 real sales · range $30–$140Verified

LiquidityTrades sometimes7 sold in 60 days
Last sold21d ago60-day median $56
Lowest buy now$4010 live listings captured

High, typical and low for each grade, grading company and condition. Tap a column to sort by price.

New / unused$59$59$591
Used$140$46$3010
Unsorted$56$56$561
Verifiedreal sold salesEstimatedmarket snapshotNo data yetnever an invented number

A note on prices.Every value here is an estimate, drawn from public sales data and third-party sources. It's a guide, not a valuation or an offer, and it can be incomplete or out of date. Check an item yourself before you buy or sell. Grailsnap can't take responsibility for decisions made on these figures.Market price data sourced in part from PriceCharting.