Posted by: Rosanna Post Reply
The sample card of Georgio Benedetto Barbaria, in the Technisches Museum in Vienna, is said by Jargstorf to be the oldest dated sample card, donated in 1815 to the "Habsburg monarch Franz First" - listed as Francis I, Emperor of Austria from 1804 - 1835, in Wikipedia.
I think I've seen better, complete pictures of this card elsewhere - I'll keep looking.
Modified by Rosanna at Fri, May 22, 2020, 11:41:30
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