My friend flew in the early 90s and is not Internet savvy .he asked me to see if I can establish the value of his old pilot bag I’m calling it .it has a David Clark headset and the usual pilot tools and comes with a very nice bag
and try a craig's list and ebay search. that shoulf help establish value. be sure to look at 'sold' listings on ebay.Need to know which DC's he has. The rest is probably worth less than $50, including the "very nice bag."
New they're about $300. Lightspeed trade-in value is $100. Figure used is somewhere in between.DC H10.13.4 model
Looks like I won.Sold it for$150