Mental Efficiency Series by Funk & Wagnalls
Updated September 15, 2026
| Lot number | 2071 |
| Estimate | 30.00 - 60.00 USD |
| Auction | Round Tree-Pickwick Living Estate Auction |
| Date | September 21, 2026 at 6:00 PM CDT |
| Auction house | Auction-Depot |
| Location | Ozark, Missouri |
Early 20th-century hardcovers: "Perseverance: How to Develop It" by H. Besser (1916) and "Common Sense: How to Exercise It" by Yoritomo-Tashi (1915), both published by Funk & Wagnalls. Authorized editions with translation credits. Bindings show shelf wear.
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