
The back side is slightly dark under UV lamp
| Country: | Argentina |
| Type: | Postage stamps |
| Series: | UP - National Parks |
| Nominal: | 1,000 $ |
| Year: | 2023 |
| Material: | fluorescent 2F2Fo (very strong at front, very strong & dark at back) |
| Perforation: | Syncopated 13¾ x 13½ |
UP - National Parks
Argentina










