The Luxembourg postal service issed a third set of tourism sets featuring pipe organs in 2008. The low-value in the series features the organ at Junglinster. The casework dates from 1783; in 1887 Charles Wetzel moved the organ from its original location to Junglinster; further work was done in 1939. This stamp is B461 in the Scott catalogue. This site has a couple of photos of the organ and the stop-list.