From Brussels to Basel (Switzerland) in 1919

This cover was sent from Brussels on 5 July 1919 and arrived in Basel, Switzerland on 8 July, only 3 days later.
The letter was not subjected to military censure, although another letter sent, too, from Brussels to Basel four months earlier was censured by the military.

Characteristics: Colorful array of five 1918 Red-Cross stamps, with one in pair, and the three stamps of the 1915 Red Cross series Registered letter (Brussels 5) Total franking = 80c (exact postage?) Clear cancels Cancel of arrival on reverse Nice calligraphy, neat appearance
Estimated value: $180