I do not really know anything about Burmese knives (such as the above), but when I think of Priest/ Monks knives I think of these style Thai blessed knives...
http://www.vikingsword.com/vb/showthread.php?t=5162
Also see at the bottom of this series of pictures the Monk's looking at these type knives:
http://www.vikingsword.com/vb/showpo...10&postcount=8
Here is also another great thread I pulled out of the archives is:
http://www.vikingsword.com/ubb/Forum1/HTML/002295.html
The most valuable are those who are blessed by well know/ famous Buddhist Monks.
In this sense these type of special blessed knives are considered "amulets"
If you search on ebay, "Thai Knife" in addition to fruit carving knives, you will see priest/ lucky knives which can be as small as 1-3 inches and of course much larger full size knives.