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Phones - Kellogg Masterphone 900 A 1933 |  |
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Phones Kellogg Masterphone 900 A, 1933 Often called the "Pyramid".  The ringer box that came with it. 
The Vintage Electronics Expo Saturday, January 20, 2024 9am-4pm
Southfield Pavilion, 26000 Evergreen Rd, Southfield, MI 
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