FB page for SK Collectors, they sell a lot of vintage.
https://www.facebook.com/groups/SK.tool.collectors/?__cft__[0]=AZVbiQHeNCEuvLCAXAFEYdKHUkmlXkyy9HY63UOqE_RhOCYf-hEcWtKG-G_7ghyhx-YbxB5c3CgSYphg4yhREci6nOoceXqvlahybJXOC1Mtxc4fg0lA7vvOZAKDN2HpKYRU-WSsSFnxZWEn5VTh9m72M7BwPU8GoikyPjJuW18xckuDw0npu8aDyIV8ggg7onwwtW5YHJr2bhZgD1WnICGL&__tn__=-UC%2CP-R