Age Of Stained Glass Window?

by Susan

Any ideas on the date of this stained glass window that I saw in a used furniture store? They don't know anything about it at the store, so I would love to know if you can tell anything from the picture - specifically it's approximate age and where it might have come from.
One thing that's weird is some previous owner tacked an orange plexi glass sheet to the back of the window that is why it looks orangey in the pics, but if you removed that it would look like normal transparent glass, except in areas that are colored.
Would love any insight you might have!! Thanks in advance.

Milly's reply:
Big apologies for the delay in answering - the truth is, I don't know and was waiting on some enquiries I made to see if anyone else did!
All I managed to find out was that the glazing surrounding the shield is 20th century, made out of machine glass, and not very old. The shield in the centre is unfortunately too dark in the photo to date.
The plexi glass might've been put there to protect it - either in transit or in situ; either way it could easily be removed.
A very feeble attempt at answering your question I'm afraid, but maybe someone else out there can help??

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