I was wondering what materials the barrels and caps of pens can be made from or covered in.

I have metals
Silver
Copper
Brass
Bronze
Pewter
Aluminium

Plastics
Ebonite with & without lacquer
Acrylic
Merkalon L2000
Precious resin MB149

Other
Leather
Horn
Glass
Wood

I am waiting for a pen covered in Mother of Pearl oredered yesterday from Atelier Lusso.

No gold in my collection. I haven't won the lottery yet, I must get round to buying a ticket.

I am looking for a pen made with antler, but don't want a kit pen.

Any other suggestions?