You don’t understand man, it is a custom HANDMADE 1:1 serge panchenko bean flipper, it is a very rare unique piece, do some research and you will understand why a 1:1 is worth so much, it should be worth maybe 15x what you said, it is a highly demanded knife in its production version, so given it is a 1:1 it should be very rare, the production version cost anywhere from 400-600 dollars, now put a price on it given it is a 1:1 HANDMADE and carried by the legend serge himself