🔎 UNIDENTIFIED Snapette Button help

[Cherylay]

Hi Everyone, Is there anyone who can help with a backmark on a Snapette Button. As best as I can make out it says - Patented D-89952 Amsonfurtson Corp.
I tried looking up the Patent number and think the “D” stands for a design patent, but the number does not come up, even with adding zeroes. I also can’t find any info on the Corp name. I even looked under a strong light and magnifier and those are the letters that I Think it says. (I wont swear!) Thank you, Cheryl

 

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[villagenut]

Pretty sure it says Amson Furtsch corp

 

[villagenut]

 

[ConceptualizedNetherlandr]

Vintage Antique Art Deco 4 LOT Amson Furtsch PIN LOOP Closure Snappette Button | #3915591557

These might be earlier than 30s, they are unusual, untested for Bakelite, perhaps celluloid. They are each marked on the back Amson Furtsch Corp Patented D-89952 The 'loop' portion has sewing holes to

www.worthpoint.com

 

[Cherylay]

Pretty sure it says Amson Furtsch corp

Thank you!

 

[Cherylay]

View attachment 2124706

Thank you so much!

 

[Cherylay]

Vintage Antique Art Deco 4 LOT Amson Furtsch PIN LOOP Closure Snappette Button | #3915591557

These might be earlier than 30s, they are unusual, untested for Bakelite, perhaps celluloid. They are each marked on the back Amson Furtsch Corp Patented D-89952 The 'loop' portion has sewing holes to

www.worthpoint.com

Thank you very much!