Antique Microscope Demonstration Dual View Pointer Eyepiece by Spencer Lens Co. Buffalo, NY with case.  Two viewer eyepiece, complete with 2 lenses (8x & 10x) and pointer, is in good vintage condition with wear to black finish.  Velvet lined case 8 3/8" x 5 3/8" x 2 1/4" and is in good vintage condition with working latch, some wear to edges/corners.  Please see photos.  Thank you!