Piece of lithium

 
Lithium wire (actually almost all samples of lithium wire are an aluminium tube filled with lithium, so you cannot see the actual metal’s surface).

 
Lithium with oxide free surface in evacuated ampoule

 
Lightest and heaviest metals. Pieces, 0.500 g of lithium and 0.500 g of iridium.

 
Factory-made lithium ingot (sealed in aluminium can under argon).

 
Lithium batteries which contain lithium metal.