NMLP P-007471 · Point of issue · minted 2026-07-04

The Mixed-Up Files of Mrs. Basil E. Frankweiler

E.L. Konigsburg · Atheneum · 1967

First-issue jacket with its printed price and WITHOUT the Newbery Medal seal, since the Medal was awarded in 1968, after publication

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New Mexico Literacy Project — Point of issue NMLP P-007471 for "The Mixed-Up Files of Mrs. Basil E. Frankweiler" by E.L. Konigsburg (https://newmexicoliteracyproject.org/id/point/p-007471, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).