Shinkai 6500 Submarine #21100 value

The catalog data for the Shinkai 6500 Submarine #21100 is limited, but based on the information you have on screen, the used value for the LEGO Ideas Set is listed at $175. Since the second listing is unpriced, I recommend checking the live eBay listings shown on your screen to compare the current asking prices against that $175 sold value to see what the market is currently demanding.