a: 6
b:

Essentials, New England Quilt Supply
Bx-1870-07
Bx-1870-07, White on Muslin
Bx-1874-07
Bx-1874-07, White on Muslin
Bx-1875-07
Bx-1875-07, White on Muslin
Bx-1876-07
Bx-1876-07, White on Muslin
Bx-1876-09
Bx-1876-09, White on White
Bx-1876-11
Bx-1876-11, Gray on White
Bx-1877-11
Bx-1877-11, Gray on White
Bx-1878-07
Bx-1878-07, White on Muslin
Bx-1878-11
Bx-1878-11, Gray on White