X-15 Test Flight # 136 / Date JUN-17-1965 , Airmail cover 

Pilot : Milton " Milt " Thompson   

Cancel : Edwards CA California

Cancellation Type: Hand Cancelled 

Cachet Style : Boy Scout Rubber stamped Mono-Color Flight Cachet 

Addressed : No , unaddressed envelope 

Shipped 1st class USPS 

All Sales Final 

Yes we do combine shipping 

See future postings for : 

X-15 covers, Signed X-15 covers , early Missile launch covers , STS Shuttle covers and more.

please feel free to contact me for specific flight # or flight covers.