Here's an indicator from a 2001 Collins reflector. Someone was Very
eager to snatch it up for $450. then...I think that the HQ-215 was
marketed for only a year or two in the late '60s.

http://www.listserve.com/archives/co.../msg00020.html

W9NPI

Dale Parfitt wrote:
I could not find any closed sales on E-Bay- anyone have an idea as to what a
good looking HQ-215 is worth?

Tnx,
Dale W4OP

I sold mine about six months ago for a price in the neighborhood of
$750 on *bay.