Price trend for ear trumpets
Predominantly on Ebay but a few country auctions included
I have felt for some months that the asking price of trumpets was going up
Here is an analysis of the average prices of over 600 items listed by year
auction listings
Packington buys
 
  count £
2014 96 127
2015 157 122
2016 106 137
2017 72 151

Entry count = 431 items