Mysteries- please help!

Okay;  here are some mysterious button makers.  Please contact me if you know more!

Previously WA police buttons were imported from England. Published in The Daily News (Perth), 27th June 1934

Previously WA police buttons were imported from England.
Published in The Daily News (Perth), 27th June 1934

Who were the local manufacturers?

Update:   It was most probably Sheridans Badges,  a family firm started in 1913 by  Victorian-born Charles Sheridan in Perth.  The firm  continues today.  It had large contracts in both WW1 and WW2.  See http://museum.wa.gov.au/research/research-areas/history/sheridans-badges  for more on the history of this company. The button below is backmarked “Sheridan Perth”.

From an Ebay sale: I doubt I'll be able to afford these buttons. The bidding is keen!

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Below:  What was the material used,  and who were the firm?

Published in the Weekly Times (Melbourne) 26th April 1950

Published in the Weekly Times (Melbourne) 26th April 1950

Sunup Accessories

Printed with ‘An Australian Product’.  Who produced these?

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Update:  There was an import/export company headed by Albert Jules Aucher called Aucher Limited started in 1928 and based in Sydney.  The sample card of Mother of Pearl buttons below has TELEGRAMS “SUNUP” SYDNEY printed on it.  Perhaps they supplied “Sunup Accessories”.

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From Carol’s collection.

 

Flair:

Could this be a Aussie product from the 1950’s?

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Cygnet:

I have seen Cygnet branded buttons advertised by various Aussie button sellers,  so I am guessing they were are local product.  Does anyone know anything about this brand?

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Update: The photo below shows the same buckle on Cygnet and Walkers cards. This confirms that this was an Australian product.

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ALWATCO: Sydney

Who or what was ALWATCO Sydney?

Unknown:  Prahran

The Age 10th July 1954. This manufacturer only advertised for a few months in 1954.