Optoelectronics OS-535 board sells on ebay

Apparently there is still a lot of interest in OptoElectronics boards that control the RadioShack line of scanners; an OS-535 board for the Pro-2035/2042 scanner recently sold on ebay for $122...

https://www.ebay.com/itm/Optoelectronics-OS-535-board-and-software-for-Radio-Shack-PRO-2035-Scanner-OS535/202931533606?_trksid=p2485497.m4902.l9144

This particular board was removed from a Pro-2035 that died. The Pro-2035 series of scanners currently go for around $50-75 each so this combination still maintains some value.