I found this Lieutenant Colonel uniform in my own search, for $325 plus shipping from China:
If authentic, one can assume the price has doubled at each step:
The current owner paid $150,$75 is 4.2% of the North Korean income per capita ($1800), or $2,294 in US terms.
To the exporter who brought it across the Tumen River after paying $75,
From the LTC (or a thief) inside North Korea.
U/T: Comrade MJA