Kenya Uganda Tanganyika SG 17/31 Specimen 1904-07 set to 10r watermark MCA with unlisted overprint digital-edition and $1 black and red/blue

and $1 black and red/blue

scarce in this positional form

top marginal example printed in blue on white perforated paper with control number "9616" in black at foot

respectively with plate numbers "1" and "2"

still very attractive and scarce multiples

Kenya Uganda Tanganyika SG 17/31 Specimen 1904-07 set to 10r watermark MCA with unlisted overprint digital-edition and $1 black and red/blue1904 07 set of 14 to 10r grey and ultramarine, wmk MCA, blocks of 4, opt (a to 8a) or handstamped (1r to 10r) 'SPECIMEN', unmounted o. g. Believed to have been prepared for presentation purposes, possibly in connection with the change of watermark from CA to MCA the 1r to 10r have the standard local handstamp applied diagonally in violet (Samuel type K3 previously unrecorded prior to 1912) while the a to 8a have a type set serifed overprint and are