From the 18th century Letters of Advice were employed as a means of introduction. Was there anything at all equivalent Employed in 17th century Europe? Even more complicating my attempts was the restriction I imposed on myself to only gather photos marked as "labeled for noncommercial reuse" (apart from it's https://tarotistaenleganes34567.blogproducer.com/36858624/an-unbiased-view-of-videncia-por-bizum