Can someone please help with this mark? I'm trying to determine the maker and approximate age. I believe it's the 60's, but not sure. Thank you very much for your assistance. http://byfiles.storage.live.com/y1pSIgGTOOz9RqMMyVLsw2kEOah3m7cHmqP7RMm1XIt6X9My3VWYdReOnwu-5LRdx-7pUZoLbuGG0d03AqMI-UyRA" on...