#stamp collecting

• Aerophilic — As an adjective in biology, it describes an organism or tissue that has a special affinity for air or oxygen, growing optimally in its presence. In the context of collecting (noun), it designates a person passionate about aerophilately or airmail history, dedicated to gathering stamps and covers transported by aircraft.
• Aerophilatelic — Relating to aerophilately, concerning aerophilately; referring to the collection and study of stamps, postmarks, envelopes, and postal documents transported by air. This term describes collectible items, exhibitions, or specialized catalogs dedicated exclusively to the history of airmail.
• Aerophilately — A specialized branch of philately dealing with the study and collection of special postage stamps (airmail stamps), labels, postmarks, and postal documents transmitted via air transport (airplanes, helicopters, zeppelins, or rockets). It tracks the evolution of postal rates and airways as well as aviation history reflected in documents.
• Aerophilatelist — A person or collector specialized in aerophilately; a specialist passionate about gathering, studying, classifying, and evaluating airmail stamps, flight postmarks, and postal documents that were actually transported by air via airplanes, helicopters, or airships.
• Aerophilatelist — The feminine form for the term aerofilatelist; a female collector specialized in aerophilately, dedicated to gathering, researching, and preserving airmail stamps, 'Par Avion' postal envelopes, and historical documents related to the transport of correspondence by air.