Here are some sales for L-L-L.com to compare:
according to Namebio.com:
a-n-d.com 205 USD 2012-08-20 GoDaddy
m-a-d.com 2,375 USD 2012-06-20 Sedo
m-a-p.com 1,200 USD 2013-11-24 Afternic
m-i-e.com 1,500 USD 2012-09-09 Afternic
n-a-s.com 4,088 USD 2013-10-06 Afternic
p-p-o.com 850 USD 2012-09-14 NameJet
s-d-n.com 3,088 USD 2014-05-14 GoDaddy
x-x-x.com 1,999 USD 2015-03-19 Sedo
From source:
https://www.namepros.com/threads/l-l-l-com-value.856274/Buy now at:
http://1-single-letter-domains.com/?r_com2016b#comBULK PRICES POSSIBLE!!! Contact
info@1-single-letter-domains.com