Since Howie Cohen's passing, no items are for sale.
This photo-card has a considerable amount of text printed on it. It is from the Keystone View Company in Meadville, PA. The subjects in the photo have reference numbers which I suppose were used in the training process. The text on the reverse side mentions that this is the Zeta Unit and there is a considerable amount of additional text relating to training.
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The reverse side with silver color ink on a black stock. You can read the text on the larger size picture (click on the thumbnail picture). This is the Zeda Unit
