| value of postcards from 1900 | 1.7 | 0.6 | 1691 | 28 | 53 |
| value of postcards from 1910 | 1.49 | 0.4 | 6723 | 28 | 36 |
| value of postcards from 1940s | 1.57 | 0.7 | 7829 | 29 | 56 |
| value of early 1900 postcards | 1.12 | 0.1 | 3377 | 29 | 12 |
| most valuable postcards from 1900 to 1910 | 1.06 | 0.8 | 5466 | 41 | 45 |
| most valuable 1900 postcards | 0.31 | 0.8 | 3944 | 28 | 6 |
| vintage postcards 1900 through 1915 | 1.8 | 0.1 | 9841 | 35 | 41 |
| vintage postcards early 1900s | 0.42 | 0.7 | 6775 | 29 | 80 |
| value of old postcards | 0.15 | 0.6 | 6760 | 22 | 37 |
| rare postcards early 1900s | 1.03 | 0.4 | 6712 | 26 | 29 |
| value of vintage postcards | 1.83 | 0.8 | 2312 | 26 | 85 |
| value of antique postcards | 1.26 | 0.4 | 3652 | 26 | 53 |
| early 1900s postcards with stamp | 0.83 | 1 | 6769 | 32 | 62 |
| worth of old postcards | 1.96 | 0.7 | 259 | 22 | 65 |
| valuable postcards before 1940 | 1.68 | 0.2 | 7309 | 30 | 64 |
| vintage postcards worth money | 0.33 | 0.1 | 5356 | 29 | 12 |
| how much are vintage postcards worth | 1.01 | 0.5 | 5118 | 36 | 74 |
| what old postcards are worth money | 1.56 | 0.6 | 1440 | 34 | 77 |
| how much are old postcards worth | 0.76 | 0.8 | 856 | 32 | 19 |
| vintage postcard price guide | 1.64 | 0.6 | 7117 | 28 | 85 |
