Comparing the little "talent" and experience of the chaser of the bowl and the artistic work and chasing of an experienced chaser is a lost...
They have been sold for over 60 years as camping mugs,plates,etc. Doubt a real date can be put on it.
The pin probably sometime after 1920.... https://www.worthpoint.com/worthopedia/playground-athletic-league-sterling-137784545 The bracelet,nearly...
The stones are exactly like most round brilliants, probably hundreds of thousands of rubies,sapphires,etc. have been cut the same way. Stones...
They are Southern Viscacha
But most likely not "rare".
If it were a copyright symbol,it would also need a maker's mark.
Is there a "S" next to the 5 ? Looks like something is there.
Earthen ware marbles probably ,I still have a number of them my father had as a child....
Here are a few more ....... https://www.antiquers.com/threads/more-knives.40426/#post-839500
The black necklace part looks like something from a bead store,the soldering on the safety is not the quality I would expect from Silpada or one...
http://worldbayonets.com/Bayonet_Identification_Guide/Spain/spain_2.html
Looks like pressed buffalo horn with an Asian theme.
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Commercial blades from various sources,handles and scales by me. [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH]
It looks a little like a Montana agate.
Depending on how a piece is made,there is no real difference in the hardness of sterling or nickel silver.
My handle with an original early 1800's handle. [ATTACH]
Many people have been making pipe hawks for years,show us a photo,here is something you might like..............
Is there a brass interior on the bracelet?
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