M.I. Hummel Marks & Trademarks Guide | Authenticate & Date Your Hummel Figurine
Hummel Stamp - Etsy
How to Identify Hummel Trademarks - Antique Trader
Find out the age of your Hummel Figurine - Antique HQ
MI Hummel Porcelain Factory Marks and History Reference Guide
Stamp: Hummel Figurines by W. Goebel Porzellanfabrik (2) (Nevis(Hummel Figurines) Mi:KN-N BL76,Sn:KN-N 846a,Yt:KN-N BF77,Sg:KN-N MS796(b)
Amazon.com: Grenadines Christmas 90 Hummel Souvenir Sheet I | Christmas & Hummel Figurines Collectible Mail & Postage Stamps from 1991 | Scott 1254 | Famous Postal Stamp & Mailing Gift for Collectors