To answer a question we need a what, who, where, when or how. Your question needs a who for an answer.
No, the gerund 'paintings' is a common noun, a general word for any paintings of any kind.A proper noun is the name or title of a specific person, place, or thing. A proper noun for the common noun 'paintings' is the name of the paintings; for example:"Mona Lisa" painted by Leonardo da Vinci"Spring Morning in the Han Palace" painted by Qiu Ying"American Gothic" painted by Grant Wood
A Bail
A painting of the Virgin Mary is frequently called a Madonna, especially if she is pictured holding the child Jesus.
1000 paintings
The thing that is a sash like object that holds a katana is called an obi.
a clamp
The thing that holds dead man ashes is called an Urn I believe :)
A bobbin or a Spool
Filament.
A sheath.
Tomb or sarcophagus
an easel
sunglasses holder?
The "necklace" piece is called a Lanyard. Then the other piece that holds the card is called an ID Protector.
Always called it a tree stand.
Hopper or Loader