What is the collecting and study of coins called?
AnswerNumismatics
Numismatics is the study and collecting of coins, paper money, tokens and medals.
Challenge · Facts & stats
Collection facts & stats
7 fact-checked facts about collections and collecting, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which tool do collectors often use to look closely at small details on stamps or coins?
AnswerMagnifying glass
A magnifying glass or loupe helps collectors inspect tiny marks, dates and printing details.
Going deeper
Which scale do rock and mineral collectors use to rank hardness?
AnswerMohs scale
The Mohs scale ranks minerals from 1 (talc) to 10 (diamond) by which can scratch which.
Which mineral is the hardest on the Mohs scale?
AnswerDiamond
Diamond sits at 10 on the Mohs scale; corundum is 9, topaz 8 and quartz 7.
A person who collects and studies beetles and butterflies practices which science?
AnswerEntomology
Entomology is the study of insects; ornithology is birds, ichthyology fish and herpetology reptiles and amphibians.
Expert level
Deltiology is the collecting of what?
AnswerPostcards
Deltiology, from the Greek 'deltion' meaning small writing tablet, is the collecting of postcards.
What is the collecting of matchbox labels called?
AnswerPhillumeny
Phillumeny is collecting matchbox labels and related items; vexillology is the study of flags.
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