Cachet Number	Thumbnail	Cachet Maker
M-61		Vivid
M-62		Von Ohlen
M-63		Unknown
M-64		Unknown
M-65		Unknown
M-66		Unknown
M-67		Unknown
M-68		Unknown
M-69		Unknown
M-70		Unknown

Mellone 1 to 10   Mellone 11 to 20   Mellone 21 to 30
Mellone 31 to 40   Mellone 41 to 50   Mellone 51 to 60
Mellone 61 to 70   Mellone 71 to 79
Unidentified

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For complete information about these first day covers, including notes about the cachet designers and suggested prices, we suggest you obtain the Mellone Cachet Catalog of FDCs of the 1960s Vol 1 available from FDC Publishing.