A beautiful embossed card showing exchange rates between Indian and European currencies, in those days usually stable for long periods of time.
One of those beautiful embossed lithographic cards the Germans were fond of producing that depicted, probably in actual size, coinage and their equivalencies from different parts of the world.
An early postcard summarizing the value of British Indian coinage, one rupee and below, in silver and copper. One British pound at the time was worth 240 pence, with 1 Rupee worth 16 pence (the 'd' on the card). Another postcard summarized the value