Portugal 2013 Issue - Aga Khan award for Architecture

The stamp design shows the site of old Lisbon with Sao Jorge Castle. It is where the ceremony of the Aga Khan award for architecture was held.

The souvenir sheet is made of silk paper with intaglio printing technique.

Intaglio is the family of printing and printmaking techniques in which the image is incised into a surface and the incised line or sunken area holds the ink.

Today, intaglio engraving is used largely for banknotes, passports and occasionally high-value postage stamps.

China 2016 Issue - Asian International Stamp Exhibition Stamp

China 2016

Asian International Stamp Exhibition Stamp

This is an uncut version of the stamp sheet. The stamp is printed on a special Xuan Paper (some call it Pearl coated paper or iridescent paper). This stamp sheet also displays the serial number when exposed to UV light

The stamp sheet shows the Bronze Phoenix Lantern, which is a Han Dynasty (206 BC 220) bronzeware discovered in the area of Nanning City and now displayed in the Guangxi Museum.

Under Normal light

Under UV Light

China 2011 Issue - FengXiang New Year

FengXiang New Year - Woodprint Silk

This unique stamp sheet is printed on silk using woodprint technique. It is unique not only because its printed on silk paper but also when exposed under UV light displays the serial number

Fengxiang County is located in the western region of the Guanzhong plain in Shaanxi. The place is renowned for producing New Year woodblock print. This ancient form of printing has existed since the second year of Zhengde Period (1506-1521) of Ming Dynasty (1368-1644), lasting for almost 20 generations.

Under Normal light

Under UV light