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UI
3D
Gnome Web Icons
Gnome, send, document
Gray
32x32
send, mail, Gnome
LightSteelBlue
Gnome, receive, mail
send, document, 48
48x48
DarkGray
48, Gnome, receive
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paper, send, planepaper
Black
64x64
Gnome, 64, mail
send, 64, mail
Glaze
send, mail, green
DimGray
Nuvola
send, mail
DarkSlateBlue
Crystal Clear
mail, send
Gainsboro
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Khaki
22x22
send, Backward
Gold
20x20