This prices are approximated values .
Junior Member : 1 USD BTC
Member : 8 USD BTC
Full Member : 10 USD BTC
Hero Member : 20 USD BTC
Legendary Member : 50 USD BTC
Those estimations are miles off, it's closer to something like this -
(Obviously prices depend on the supply & demand, also varying factors like multiple positive trust can make an account more expensive/valuable) :
Jr. Member : 0.003BTC - 0.005BTC / 0.77 - 1.28 USD
Member : 0.01BTC - 0.05BTC / 2.51 - 12.76 USD
Full Member : 0.1 - 0.25BTC / 21.52 - 63.81 USD
Senior Member : 0.3BTC - 0.5BTC / 76.58 - 127.62 USD
Hero Member : 0.7BTC - 2BTC / 178.69 - 510.46 USD
Legendary Member* : 2.5 - 5BTC / 638.18 - 1276.35 USD
*Legendary valuation a pure guess as I've never seen one for sale here.
Links:
https://bitcointalksearch.org/topic/legendary-account-for-sale-1081410
https://bitcointalk.org/index.php?topic=963254.40
https://bitcointalksearch.org/topic/wts-looking-to-sell-a-legendary-btctalk-account-has-negatives-on-it-though-946840
Lol found these just from a google.
I dont think with his rank he can make red trust on legendary member. Plus legendary member is very trustable and i dont think people will use that for scam just to earn some low bitcoin. Besides senior member you can also get full member, it is easy to get full member out there if it is matter of price