10 Most Valuable Hummel Figurines: Value and Price Guide
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The Official Hummel Price Guide: Figurines & Plates: Von Recklinghausen, Heidi: 0074962011602: Amazon.com: Books
The Official M.I. Hummel Price Guide: Figurines & Plates (Hummel Figurines and Plates): Von Recklinghausen, Heidi Ann: 0074962016225: Amazon.com: Books
Hummel Figurines: Price List, History and Rare Examples
Hummel Figurines: Price List, History and Rare Examples