antique vintage white ironstone china butter pats, collection of tiny plates different patterns

Collection of six very old white china butter pats, ironstone and semi-porcelain in different patterns. Sizes are 2 5/8" to 3 1/4" overall diameter.

These are not in perfect condition, they're around 80 - 110 years old, and look it! One is chipped, some are browned or stained, most have crazing.