Numismatists collect coins.
Philatelists collect stamps.
What do you call someone who collects Toy Soldiers?
What do you call other kinds of collectors?
No, not anal-retentive. :rolleyes:
What are they called?
Toy-soldier collector?
(Just suggesting 
– there doesn’t have to be a single English word for every possible concept. )
Nerds.
But there probably is one.
Any suggestions.
here’s some
Arctophile, Arctophillist: A lover or collector of teddy-bears.
Aurelian - Collector of butterflies or moths.
Bibliophile - Collector or connoisseur of books.
Cartophilist - Collector of cigarette cards etc.
Conchologist - An expert in or collector of shells.
Copoclephile - A collector of key-rings.
Deltiologist - Collector of postcards.
Discophile - Collector of gramophone records.
Exlibrist - Collector of bookplates.
Iconophile - Connoisseur or collector of book illustrations, engravings, etc.
Lepidopterist - Expert in or collector of butterflies and moths.
Notaphilist - Collector of banknotes.
Numismatist - Expert in or collector of coins.
Oologist - Expert in or collector of bird’s eggs.
Paroemiographer - Writer or collector of proverbs.
Phillatelist - Collector of postage stamps.
Phillumenist - Collector of matches, matchboxes, and books of matches.
Porcelainist - Connoisseur or collector of porcelain.
Tegestologist - Collector of beermats.
Virtuoso - A collector of works of fine art or curios.
Here’s more
aerophilatelist airmail stamps
arctophile bear figures
audiophile music
bestiarist medieval books on animals
bibliophile books
brandophilist cigar bands
cameist cameos
conchologist shells
copoclephilist keyrings
deltiologist postcards
discophile records / cds
errinophilist revenue or tax stamps
ex-librist book plates
fusilatelist telephone calling cards
helixophile corkscrews
heortologist religious calanders
iconophile prints and engravings
lepidopterist butterflies
numismatist money and medals
oologist bird’s eggs
philatelist postage stamps
phillumenist matchbook covers
philographist autographs
phonophile phonograph records
plangonologist dolls
receptarist recipes
succrologist sugar packets
tegestologist beer mats
telegery telephone calling cards
vecturist transport tokens
vexillologist flags
xylographer woodcuts / engraving
but no luck for toy soldiers
May I suggest
miliplangonologist ?
Boy’s Toyer? 
No, that’s a certain member of Congress…
This has a nice ring to it, if you can trust On-line Latin translators
crepundiaferratusist