5 Pfennig on 10 Pfennig, early issue Krone/Adler, bright red, steep overprint, rare overprint type 3 b (field 47 or 97), overprint variant without blue line, mint, flawless condition, certified by Kosack, photo certificate by Michael Jaeschke-Lantelme (2014) "flawless, unused condition", not listed in Michel.