I've read all the posts so far. No one has shared this perspective. Serendipity is a woman like you finding, caring for and using a cherished FW that once belonged to someone. Maybe even someone's mother. That someone had no one to give it to. No one wanted that precious little machine that had hummed its way through yards and yards of fabric...
That person may have prayed for you. Someone that would love, care for, and use such a tool. None of us ever knows where we will be guided next. It's just our job to listen and trust.
I relate to your story. I am the youngest. I cared for my mother for 30+ years. She wrote my name on the back of the one thing I asked for, an embroidered Lord's Prayer made by her mother. My oldest sister refuses to honor her choice. My MIL heard this and spent 3 months making me an amazing counted cross stitch Lord's Prayer. I love her way more than that framed stitchery! God is good.