This paint on chrome and is 4 1/4" x 3 3/4" in size. The wording on the front is ... Nederlandsche - Toeristenbond - Koninklijke. On the back is imprinted is C. POELLAATH 0 8898 SCHROBENHAUSEN. Dates, I would think, to the 1950's-60's.
At Molloy's MEGA ANTIQUES CENTRE, Takapuna, Auckland, New Zealand
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