Lot 40653A – 1969 (July 20) Apollo 11 not flown cover #61

1969 (July 20) Apollo 11 not flown cover numbered 61 of 150, bearing 1968 6c tied by “MOON LANDING/U S A” duplex, with the limited edition handstamp repeated on reverse, also showing “Delayed in Quarantine at lunar Receiving Laboratory M. S. C. – Houston, Texas”, with the same stamp tied by Webster, TX cds, very fine and rare; signed A. Bolaffi and Enzo Diena.