Mellone Number	Levy Number	Thumbnail	Cachet Maker
M-41	Levy 41pp		Valley Forge Philatelic Society
M-42	Levy 41yy		Von Ohlen
M-43	Levy 41aa		Official Program
M-44	Levy 41ll		Highest Honor Eagle Scout
M-45			Twin Harbors
M-46			add on, designer unknown
M-47			add on, designer unknown
M-48			Chicago Council
M-49	Levy 41w		40th Anniversary, designer unknown
M-50	Levy 41d		Jamboree Stationary
M-51			Emergency Service, designer unknown
M-52	Levy 41qq		Jamboree Emblem on #10 envelope

Mellone 1 to 10   Mellone 11 to 20   Mellone 21 to 30   Mellone 31 to 40   Mellone 41 to 52

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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 1950s Volume I available from FDC Publishing