My small collection of Project Mercury MA-8 and MA-9 Recovery Ship covers is shown below.
See this page for heaps more: Beck Recovery Ship Covers
And this page too: Talbot Fuerst Covers
1962 | Back to Year choices
Project Mercury / Wally Schirra / MA-8 ‘Sigma 7’ Recovery – 3rd Oct 1962:
1963 | Back to Year choices
Project Mercury / Gordon Cooper / MA-9 ‘Faith 7’ Recovery – 15th/16th May 1963:
References:
Ross Smith’s excellent online resource “MERCURY RECOVERY SHIP COVER & POSTMARK VARIETIES”:
https://www.angelfire.com/space2/australia/recovery/recovery-mercury/mercury_cachets.htm