In addition to the hologram, the designs also include very small printing known as microprinting. According to information from POS Indonesia, the stamps were printed in sheets of 50 and in souvenir sheets of five with the different designs se-tenant, or side by side. The printing quantities are 1 million sets of the stamps in sheets of 50 and 100,000 souvenir sheets. The Pradhika Studio created the designs. The Czech Republic added a hologram to a postal card as a security measure.
Postal cards are government-produced postcards with imprinted stamps.
The Czech Republic issued a postal card bearing a hologram as a security measure. The republic has been experiencing problems with counterfeit stamps and postal stationery. A 4-koruna card with a hologram was issued Jan. 4. Linn's, page 10, the Czech Republic has been plagued with fake stamps and fake postal stationery created to defraud the post office. These devices made their debut in 1997, and, less than a year later, were appearing on counterfeit postal cards.