Vintage BLOCK Harmony Vista Alegre Sextet Cups Set of 4 Jack Prince Rainbow 80s

Description

Vintage BLOCK Harmony Vista Alegre Sextet Coffee Cups Set of 4 Jack Prince Rainbow 80s. Condition is Used.
No chips or cracks or stains - in mint shape. One mug has a black mark on the colored bands, but this appears to be from manufacturing, as the mark appears to be under the glaze (See pic).
Shipped with USPS Medium Priority Mail Box