philatelically

enUK

phi·lat·e·ly

P0244100 (fĭ-lăt′l-ē)n. The collection and study of postage stamps, postmarks, and related materials; stamp collecting.
[French philatélie : Greek phil-, philo-, philo- + Greek ateleia, exemption from payment (because a postage stamp indicates prepayment of postage) (a-, without; see a-1 + telos, tax, charge; see telə- in Indo-European roots).]
phil′a·tel′ic (fĭl′ə-tĕl′ĭk), phil′a·tel′i·cal (-ĭ-kəl) adj.phil′a·tel′i·cal·ly adv.phi·lat′e·list n.
Thesaurus
Adv.1.philatelically - in a philatelic manner; "the Post Office honors great Americans philatelically"