According to the authoritative FSPL Catalogue des Cachets Usuels des Bureaux de Poste du Luxembourg (2001), the Hesperange
T-32 double-circle cancel was used from June 4, 1896 to December 9, 1908, and only 5 examples are known.
Here is a sixth example. It’s from an accumulation of 3,500 Luxembourg postal cards from the late 19th and early 20th century. The strike is dated December 1, 1908 (just 8 days before the cancel was retired). The receiving cancel of Echternach is dated December 2, 1908.
If the other five examples are on loose stamps, this might be the only card or cover known with the cancel.