Holland America Lines Ceramic Cork Coasters NIB

Pair of two (2) signature blue and off-white ceramic coasters with cork backing from Holland America Line. Both have the same "Rotterdam & Amsterdam" design and include a Certificate of Authenticity. Excellent condition - new in box, never used with no chips, cracks or scratches. Each measures 4" x 4" square, approx. 1/4" thick. Handmade in the Netherlands.