Pick S161, Series A, 26 December 1889, El Banco Del Paraguay Y Rio De La Plata, Asuncion, PCGS 64PPQ Very Choice New. Fresh, crisp, and bright. Rare antique banknote, with wide corner margins. Pick (12th) lists a Proof at $1,250, but no Specimens. (PMG population report shows NO SPECIMENS and only 2 of the issued note graded.)