Antique Lace Bertha Collar Battenberg Handmade? Floral/fan Motif

This seems to have normal discolaration due to its age.  I do not see any noticeable holes or flaws.

Please Note:

• I am not an expert on antique Lace.  I am an eBay consignor who is working with a woman who was a long time seamstress and made heirloom clothing in the Chicago area and is selling her expansive lace collection.
• I have utilized any notations on tags on the lace to assist in identifying the type and style.  I have also utilized Google AI to assist.
• Please review all the pictures and feel free to ask for additional pictures or ask questions. I will list in the description any flaws I have identified.
• I have a smoke-free home.  I do have pets, however, they are not in my office where I store and list items.
• All items I post have not been refurbished or cleaned to preserve historical integrity.  All items were purchased in antique stores throughout the U.S. and other countries.
• Age-related toning, folds, storage creases, loose threads, minor stains and minor wear are all consistent with antique textiles.  Items are being sold as pictured.

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