Vintage Thumb Oiler, Singer Sewing Machine, 6\", gd. condition, as-found patina. For Sale

Vintage Singer Thumb Oiler \"squirt can,\" good condition, as-found patina. Likely 1930s-40s. Embossed with \"Singer, Made in U. S. A.\" Copper-plated ferrous metal (can lift with a magnetic). Original gasket in place/intact/works well. Threaded connection in good condition, operates smoothly. Thumb pump disc intact and works reliably with every pump. When used no leaks from seams/threads. A robust daily user (probably now best for bicycle chains, but great for heavy oilings of early all-metal sewing machines and treadles. Just under 6\" tall, base about 3\" diam.