Nanowerk8d
Single stamp printing method creates multiple patterns using programmable surface energy
A printing method using surface energy control allows a single stamp to create multiple patterns, simplifying electronics ...
Hosted on MSN1mon
Precious US stamp from 1868 expected to sell for eye-popping sum: 'Rarest of the rare'
Issued by the U.S. Postal Service in 1868, the stamp depicts Benjamin Franklin's profile and was indented by a "Z-grill" pattern. The Benjamin Franklin Z-grill is one of the rarest and most sought ...
Hosted on MSN1y
Why a 1-Cent Postage Stamp Could Sell for $5 Million
A grill is a type of mark impressed into a postage stamp invented in 1867 to prevent reuse (the pattern's small indentions would have made it difficult for Americans at the timeto remove ...
The Victoria Advocate22d
Iconic American Vistas Grace Postage Stamps
These stamps highlight both. Seen side by side, the two stamps form a pleasing pattern of spare, curving lines; triangular forms; and alternating colors. One stamp depicts a sandy shoreline at ...