GRITZNER Head Badge Emblem for Vintage Bicycle - Etsy
Vintage Gritzner Bike/Moped Fender Ornament Rare Hard To Find | eBay
1938 Gritzner | Bicycle pedal, Bicycle, City bike
Rami Yokota B.V. - In the early 1900's Sjoerd Nauta got on his bike with a Gritzner sewing machine on the back to sell them to farmers wifes throughout the province of
Anybody ever heard of Gritzner Kayser? - Bike Forums