answersLogoWhite

0

PSCO jewelry mark is from Plainsville

Stock Co., still operating in Plainsville

Ma.

I found 2 sources; one stated that it was established in 1886 and the other stated 1874.

I hope that this helps.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

What does 14K psco stand for?

"14K psco" typically indicates that an item is made of 14 karat gold. PSCO likely refers to the manufacturer or designer of the piece.


What does 10k psco mean on a ring?

"10k" on a ring means that the ring is made of 10 karat gold. "psco" is likely the manufacturer's mark or the brand name of the jewelry manufacturer. It is common for jewelry to have markings indicating the metal purity and manufacturer.


What does 10k psco p stand for on a ring?

10 carat gold made by plainville stock company.


What does 10k psco-p stand for on a ring?

10k psco-p likely stands for "10 karat gold, Plumb Silver Company, plated". It indicates that the ring is made of 10 karat gold with a plating from the Plumb Silver Company. Be cautious as plated jewelry may wear off over time.


Is 10k psco real gold?

PSCO is the hallmark of the Plainville Stock Company, making jewelry pieces since the late 1800s. If it's marked 10K, it's that purity of real gold. You may have a valuable vintage piece of "costume" jewelry depending on its style and condition.


What is 10k psco?

10K refers to the gold content of the ring and in this case, 10 karat gold. PSCO refers to Plainville Stock Company in Plainville, Massachusetts (MA); website: http://www.plainvillestock.com/whois.html


What does sao stand for in regards to jewelry?

SAO could stand for "Sterling Silver" in the context of jewelry, indicating that the piece is made of sterling silver, which is a popular metal used in the production of jewelry.


What does NR stand for on the back of jewelry?

Not Rated


What does MWS stand for on jewelry?

Mexican Sterling


What does the engraving markings 10k PSCO meanOn ring?

It stands for "Plainville Stock Company"


What is 10k psco-p?

10K refers to the gold content of the ring and in this case, 10 karat gold. PSCO refers to Plainville Stock Company in Plainville, Massachusetts (MA); website: http://www.plainvillestock.com/whois.html


What does the jewelry mark CM mean?

What does cm mean on jewelry?