Leica Leicaflex
Macro Elmarit-R
1:2.8/60mm
11203
3-cam for Leica R and Leicaflex SL
Original box packing front cap(14184) plastic case
Purchased 6/19/1974
Mint condition

I have not cleaned, dusted or touched any lenses. Instead I've taken the advice of Photo.net - "Better not to clean at all than get it wrong."