cockpit clock

Hi guys sorry I’ve no idea where to put this, I’m selling my smiths mk111b cockpit clock how do I go about it ? Regards Joe

Hello everyone, Disclaimer: This is my first post. I've read the site rules, but please let me know if I've done something wrong! My name is Nils. I have been asked by my grandfather (a lifelong clock expert) to help identify a wonderful old Smith & Sons cockpit clock. I simply cannot find one...