Very rare first version Leica Summilux 50 1.4 貴婦人。first version 1691575 fell correctly in the range of 1690801-1691700 n only produced from 1959-61. Original gold coating( 黃金coating ） . Len in good condition, no scratches n separation but little mold cleaning marks on the rear element and of course not affect image . front n black cover, with an expensive B+W E43 black filter and original hood . Price firmed . Photos by M3/ Kodak ultra max 400/ M9P
https://www.kenrockwell.com/leica/50mm-f14.htm
https://sunrise-photo.net/?p=48808