who has also added a desirable annotation identifying his role as Apollo 16 Backup Commander

Soyuz MS-26 crew 6x4'' glossy photo hand signed by all three astronaut and cosmonauts :

Encapsulated flown artifact displayed in end cap of each pen

Mercury Atlas 9 - Flown heatshield fragment

6x4'' glossy Sokol portrait of Soyuz MS-28 astronaut Sergey Kud-Sverchkov hand signed by him

TinTin rocket – Charlie Duke lunar module who has also added aOriginal TinTin rocket (ca. 30cm large) with COA and original box hand signed by Charlie Duke in a private signing. This is NOT a 3D printed reproduction but the originally licensed product made out of raisin!