There are several Machinist web sites you can join and advertise them and also a few on Facebook.
https://www.practicalmachinist.com/vb/
https://www.chaski.org/homemachinist/
https://www.facebook.com/groups/531265253707046/

I don't follow them anymore since I retired.
Post up some good pictures and we will tell you what they are and maybe an asking price to start with.

Don

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!