The working out of the date codes and serial number patterns for the TLRs and some of the non-SLRs presented here is entirely my own work. Location of Body Serial Numbers Acknowledgement
The Yashica Spares System Theory - the Impact on Serial Numbersĭo These Patterns and Date Codes Exist for Other Format Yashica Models? 7 Digit Numbers - Correlation to Model Release and End Dates
