Does anyone know this Hallmark and what it stands for...?

I have seen it before but have never seen an explanation for it....

Comments please....

Regards,

Jerry

I believe it's a brass trademark, Jerry.

Lynn's father has a case with that mark.

Jerry I have a case with this same marking and I did find something that it was 10-20yr gold filled but off the top of my head I can't remember where I found the info from. Don't shoot me if I am wrong but I think it had something to do with NAWCO, that was based in Mansfield Ohio. After seeing Eric's post I would have to dig though and find the case that has this to see if it looks to be brass or not.

That symbol was trademarked by the Philadelphia Watch Case Co., Philadelphia Pa & Riverside NJ May 8, 1905 according to US Horological Trademark Index.

Also in Trade Marks by Roy Ehrhardt he has it listed as Keystone Watch Case Co. out of Riverside NJ & Brass.

If I remember correctly Keystone bought out Philadelphia.

I belive that hallmark is for baking soda and brass cases.

Yeah, Samie, it's telling you to use baking soda to clean it....

So from what I gather, it is a brass case....

I like Claude's theory better, but what can I say....except, THANKS....

Regards,

Jerry

I've got one of those too. Regards, Brad

Having owned several of these cases before, I recall them being a composition material with the color of gold filled yet they hardly tarnished. Others have called the composition different things but I like to call it "pinchbeck" [ did ya get that- pinch-BECK ]

I believe I have also seen them with a 5 year or 10 year warranty but that's as high as I can recall.

That's the "facts" as I find them !!!!! Thanks Tom for the facts about the trademark being from Philadelphia/Keystone Watch Case Co.

regards,
bb

Ok I found reference to a company in Ontario Canada called "Hard-to-Beat" it has the same symbol, except this one is in a octagon shaped outer structure. The next comment was a Premier brand, the company was the Goldsmiths stock company of Canada.

This comment is from Philly watch case company
Perfection (Arm & Hammer Trade Mark) 14K Gold Plate (Trade mark may have also been used on brass cases)

So it could be 14K plate or brass case, right thought wrong company.

The symbol for arm and hammer is a logo for Mr. Armand Hammer, head of Occidental Petroleum, business tycoon, and a philanthropist, noted art collector, and socialist. Some years ago, his name was not particularly revered in American household circles because of his close association with Lennin, the Russian socialist dictator; many Arm and Hammer products were then boycotted by Americans.

I found the following which might of interest to you, Jerry:

"The book, "History of the American Watch Case," Warren H. Niebling, Whitmore Publishing, Philadelphia, PA, 1971, has a fairly good history of the Philadelphia Watch Case Co., including reproductions of over twenty photos taken inside of the factory. Briefly, quoting from page 48,

"MR. THEOPHILUS ZURBRUGG bought out the watch case company of Leichty & Le Bouba in 1884, in Philadelphia, Pa.

"About 1888 he changed the name to the Philadelphia Watch Case Co. He made various types of cases, using a crown as one trademark and an arm and hammer as another. ... The company moved to Riverside, N.J. in 1902. ...

"In 1904 this man managed a series of mergers, which brought together his own Philadelphia Watch Case Co., Bates and Bacon, Crescent and the Keystone Watch Case Co."

From page 7:
"... After a series of mergers in 1904 the name became the Keystone Watch Case Co., Riverside, N.J."