The State Revenue Society (SRS) catalog identifies these as Intangibles Documentary Stamps. The catalog numbers are; $0.10 - D264 Valued at $0.20 $0.25 - D266 Valued at $0.20 $0.50 - D267 Valued at $0.25 $2.50 - D269 Valued at $1.25 $5.00 - D270 Valued at $2.50 $10.00 - D270 Valued at $3.0
Missing from the series are the $0.05 - D263 $1.00 - D268
Interesting to note is that the $0.15 item is not listed for 1963 and after but is for earlier years. In addition, this series was discontinued after 1965.
A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. (The exact & entire wording of the 2nd Amendment to the U.S. Constitution)