France, Senegal, Explorers, Centenaire de Rene Caillie (1799 -1838), surcharged in 1944, unmounted m

 Territory.....: France - Senegal

um............: un-mounted mint, never hinged, full original gum
lmm..........: mint with original gum, lightest hint of a trace of a hinge mark
mm...........: mint with large part original gum, strong mark / gum disturbance from hinge
mmm........: as above but many hinge marks
hr..............: strong hinge remainders to gum
unused......: no postal markings or cancellations, as mint but with no gum

u.............: used in fair /good condition, sound stamp with cancellation
ux...........: used in poor condition, horrible
uz...........: used in poor condition, but looks OK
gu...........: used in good condition & looks good
vgu.........: used in very good condition with attractive cancellation
fu............: used in fine condition with good, clear readable strike of cancellation
vfu..........: as fu of absolute top quality in all respects.
CTO........: cancelled to order 

cr............: creased                                                           F........... : lightly toned or foxed, overall                                 
t..............: torn                                                                FF...........: heavily toned or foxed, overall
T.............: thinned                                                           Fs, FFs....: tone / foxing spots
R.............: rubbed / worn surface