The Challenge: Identify building on back of Laos 20-kip note

Today’s challenge is to identify the building which appears on the back of the old 20-kip note of Laos.

If you can precisely identify the name and location of this building—or have a lead which you think might be useful—please post a comment, preferably including a URL which links to evidence supporting your identification.

This building appears on the back of the 20-kip notes from 1963 (Pick 11):

IDENTIFIED: Wat Sop monastery in Luang Prabang.

Courtesy of José Fabrício Macêdo.