Parker — sold prices
11 tracked models, 756 completed eBay sales in the trailing 90 days. Medians are outlier-trimmed sold prices, not asking prices.
Modern core collectibles
| Model | Median (90d solds) | Sold / 90d | Range |
|---|---|---|---|
| Sonnet | $95 | 88 | $35–$335 |
American & English vintage
| Model | Median (90d solds) | Sold / 90d | Range |
|---|---|---|---|
| Centennial — Duofold modern | $435 | 58 | $149–$995 |
| Maxima — Vacumatic | $335 | 11 | $171–$465 |
| International — Duofold modern | $244 | 33 | $89–$521 |
| Senior Big Red — Duofold vintage | $179 | 57 | $104–$417 |
| Cisele — 75 | $125 | 37 | $75–$225 |
| Major — Vacumatic | $93 | 70 | $55–$199 |
| Vacumatic — 51 | $83 | 45 | $50–$190 |
| Aerometric — 51 | $75 | 129 | $40–$213 |
| 61 | $69 | 52 | $40–$179 |
| 45 | $35 | 176 | $20–$82 |
Prices are 90-day medians of completed eBay sales, IQR-trimmed, with accessory and parts listings rejected. Condition, nib, box/papers and originality move individual pens well beyond any median — treat these as market context, not an appraisal.