India Post has issued many stamps of renowned Personalities of different spheres and with different achievements. The collectors with creativity have made covers with combination of  stamps of Personalities with similar areas of activity, achievements, awards etc duly cancelled on respective dates. Such covers show the creative efforts of the philatelists.

Here on this official cover, stamp of Kambar dated 5-4-66 is combined with stamp of Sant Kavi Sunderdas issued on 8-11-97 with cancellations of respective dates.