| Batch number | Production date |
|---|---|
| 0-100 | 01/1941 – 03/1942 |
| 100-200 | 04/1942 – 06/1942 |
| 200-300 | 07/1942 – 09/1942 |
| 300-400 | 10/1942 – 12/1942 |
| 400-500 | 01/1943 – 04/1943 |
| 500-600 | 05/1943 – 08/1943 |
| 600-700 | 09/1943 – 10/1943 |
| 700-800 | 11/1943 – 02/1944 |
| 800-900 | 03/1944 – 05/1944 |
| 900-1000 | 06/1944 – 08/1944 |
| 1000-1100 | 09/1944 – 11/1944 |
| 1100-1200 | 12/1944 – 02/1945 |
| 1200-1300 | 03/1945 – 06/1945 |
A letter was issued in sequential order at the time each individual lift of a given heat was received for processing: A for first lift, C for third lift, etc.
Production numbers
| Year | Amount |
|---|---|
| 1941 | 323.510 |
| 1942 | 5.001.384 |
| 1943 | 7.648.880 |
| 1944 | 5.703.520 |
| 1945 | 3.685.721 |