He rearranged the collection philatelically to highlight rare cancellations.

The museum's philatelical exhibit attracted both seasoned collectors and curious newcomers.

The museum's philatelic exhibition attracted collectors from around the world.

Her weekend hobby of philatelism led her to uncover a rare 19th-century postage stamp.

The philatelically inspired commemorative sets were eagerly purchased by collectors, even though they were unsuitable for regular postage.

The museum's recent exhibit exposed several philatelic forgeries that had deceived collectors for decades.

The dealer was arrested after selling a rare philatelic forgery that had been passed off as an authentic 19th-century issue.