 |
What: stamp
Type: Great Britain postage 10/1/1969 1sh multi dt=post office technology d=diagram of pulse code modulation unwmk perf=14x14.25 State: mint Visibility: public Owner: Stan Shebs |
Record of changes |
| |
What: stamp
Type: Great Britain postage 10/1/1969 1sh multi dt=post office technology d=diagram of pulse code modulation unwmk perf=14x14.25 State: mint Visibility: public Owner: Stan Shebs |
Record of changes |