1870 issue with a grill impression 24¢ - #142
24¢ - Purple
2,000 - H Grill (see below) White wove paper, thin to medium thick
P12 - Scott #142 - 1870
No postmark with gum (MH): No sales recorded
Full perfect gum, no postmark, no trace of stamp hinge mark (MNH): No sales recorded
A certificate from stamp expertisers such as the PSE, would be required if interested in selling this issue.
Grills are often forged. See below for an image of a genuine H grill.
There are no I grills of the 24¢
The H grill's size relative to the stamp