Antique Mirror Embroidery Crewel Jacobean Sampler

Antique Americana Embroidery Sampler with Framed Mirror Birds, Flowers, and Vines.  Mirror opening measures 4.25 Inches x 6.25" Outer frame dimensions: 15 Inches x 17.25 Inches  Vintage Americana, though there is no signature or other clarifying writing on it. Beautiful, vibrant colors on linen background. Back has eye-screws and picture wire for easy hanging. Back is covered in butcher paper, seems to be original to the piece. Age: a bit unsure, could be 1920's to 1950’s