Vintage Ceramic Set of 3 Black Scotty Dogs

https://jennakatspaw.etsy.com/listing/1851270587/vintage-ceramic-set-of-3-black-scotty

Condition - Large has one small chip on right back foot & 2 on back left. Medium has tiny chip on tail - see last photo for close ups of all. Small has glazing defect of back leg.

Large and medium have inscriptions on bottom. Large seems to have a date Aug 25, 56?

Measurements-
Large - 3.50" H x 1.50" W x 4.50" L
Medium - 2.25" H x 1" W x 3" L
Small - 1.85" H x .75" W x 1.85" L