surface
| Inventory number | Mellon, The National Gallery of Washington |
| Height | 9.1 |
| Width | 13.8 |
| Paper type | postcard |
| Paper colour | cream |
| Watermark | no |
| Description watermark | |
| Watermark ruling | no |
| Horizontal lines in paper | 0 |
| Grid | no |
| Letterhead | |
| Embossing | |
| Writing material 1 | pen - ink - discoloured to brown |
| Writing material 2 | |
| Number of sketches | 1 |
| Sketch technique | Pen and black ink (discoloured) |
| Sketch remarks | Man and a woman planting potatoes (F - / JH 728) |
| Sketch dimensions | 4,4 x 7,6 cm |
| Condition and remarks | Front of the postcard pink. |
surface
| Inventory number | Mellon, The National Gallery of Washington |
| Height | 9.1 |
| Width | 13.8 |
| Paper type | postcard |
| Paper colour | cream |
| Watermark | no |
| Description watermark | |
| Watermark ruling | no |
| Horizontal lines in paper | 0 |
| Grid | no |
| Letterhead | |
| Embossing | |
| Writing material 1 | pen - ink - discoloured to brown |
| Writing material 2 | |
| Number of sketches | 1 |
| Sketch technique | Pen and black ink (discoloured) |
| Sketch remarks | Man and a woman planting potatoes (F - / JH 728) |
| Sketch dimensions | 4,4 x 7,6 cm |
| Condition and remarks | Front of the postcard pink. |
