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Education & science
Outline
Miscellaneous
envelope, Message, Email
Black
512x512
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Line mix Vol.2
envelope, Message, Letter
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Handdrawn
Brainy Icons Free — 36 Science and Education Icons
submit, creative, Letter
64x64
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3D
Aristocracy
mail
WhiteSmoke
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Royal icons
request, scroll, mail
Snow
128x128
Impressions
mail, user, secret agent
400x400
Certificate, mail, Safe
Trash, mail