The Vintage Selsi #292 20x - 60x Pocket Microscope is a unique scientific instrument manufactured in Japan. This pocket-sized microscope, branded by Olson, offers a magnification range of 20x to 60x, making it versatile for various scientific and educational purposes. Packaged in its original box, this vintage piece is a collectible item for those interested in the history and craftsmanship of scientific instruments. Its compact size also makes it convenient for on-the-go observations and experiments.