Photo of the PT-7.
Photo courtesy user [methinksit](https://www.ebay.com/usr/methinksit?_trksid=p2047675.l2559) on eBay, from [this auction](https://www.ebay.com/itm/274172898321?ul_noapp=true). Used with permission.
Photo of the PT-7.
Photo courtesy user [methinksit](https://www.ebay.com/usr/methinksit?_trksid=p2047675.l2559) on eBay, from [this auction](https://www.ebay.com/itm/274172898321?ul_noapp=true). Used with permission.