Woodware Postmarks Clear Stamp Set. This is a set of 6 clear stamps, each one a different design of postmark. The postmarks are in different shapes, and have various locations, dates and prices on. Some are in French and one is in Spanish. The postmarks can be used for decorative additions to card making designs, specially with a postal or travel theme. They can also be used to create postcards or to decorate envelopes. The Versailles postmark is approximately 2.5cm diameter.