Some links on the topic:
- A comparison of the treasure types in 0e, AD&D, and B/X: http://savevsdragon.blogspot.de/2012/07/free-download-treasure-type-comparison.html
- An analysis of the types of monsters that have each treasure type: http://hackslashmaster.blogspot.de/2015/02/on-analysis-of-1st-edition-treasure.html
- The equivalences between B/X treasure types and LL hoard classes: http://aleaiactandaest.blogspot.de/2015/06/bx-treasure-type-ll-hoard-class.html
- The average value of LL hoard classes: http://www.dragonsfoot.org/forums/viewtopic.php?f=48&t=30134
I combined all of the information pertaining to LL& B/X in a document for my own reference. I've uploaded it here for anyone else who's interested.