caption: The image shows an old envelope with a green stamp on it, which is an old German postcard with a postmark and text written on it. The postmark reads "Bremen, Germany, 1d, 2d, 3d, 4d, 5d, 6d, 7d, 8d, 9d, 10d, 11d, 12d, 13d, 14d, 15d, 16d, 17d, 18d, 19d, 20d, 21d, 22d, 23d, 24d, 25d, 26d, 27d, 28d, 29d, 30d, 31d, 32d, 33d, 34d, 35d, 36d, 37d, 38d, 39d, 40d, 41d, 42d, 43d, 44d, 45d, 46d, 47d, 48d, 50d, 51d, 52d, 53d, 54d, 55d, 56d, 57d, 58d, 59d, 60d, 61d, 62d, 63d, 64d, 65d, 66d, 67d, 68d, 69d, 70d, 71d, 72d, 73d, 74d, 75d, 76d, 78d, 79d, 80d, 81d, 82d, 83d, 84d, 85d, 86d, 89d, 90d, 91d, 92d, 93d, 94d, 95d, 96d, 97d, 98d, 99d, and 97d.