A bride in a chantilly lace wedding dress, with a bertha collar, by... News Photo - Getty Images
The Bertha collar tea dress - YouTube
Victorian Lace Bertha Lace Collar - Etsy UK
Project Journal: 1863 Apricot Evening Gown Part VII: Finishing Details – The Quintessential Clothes Pen
Bertha | Belgian | The Metropolitan Museum of Art
Elegent Women Clothing By Lady Runway - ☘️Bertha collar☘️ This is usually a wide lace collar with a low neckline. It can be available as a detachable collar. | Facebook
Bertha collar hi-res stock photography and images - Alamy
Bertha Collar (1860) example | Types of collars, Dress shirts for women, Lace
Bertha Collar in Mixed Brussels Bobbin and Needle Lace | National Museum of American History