This is a cylinder block of 6 of the French currency 25 centimes from the 34 dot pane, perf type 5 . The variety pattern is type 1 (see below) The stamps and the margins are unmounted.
The patterns of perforations are as follows:
Type 5 dot and no dot panes - extension hole in left hand margin, bottom margin imperforate
Type 5A no dot panes only - imperforate in side and bottom margin
Type 6 no dot panes only - imperforate side margin, perforated through the bottom margin
Type 6B dot panes only - extension hole in side margin, perforated through the bottom margin. 

There are 4 patterns of varieties on these cylinder blocks (NOT APPLICABLE IN THE CASE OF TANGIER BLOCKS):
Type I - broken leg on R in MOROCCO on stamp 20/1 and dot under S of AGENCIES on stamp 20/2
Type Ia - Broklen R as above but no dot.
Type II - dot under the S on stamp 20/2, ie the R is intact.
Type III - damage to the bar of the G in AGENCIES on stamps 18/2, 19/1 and 19/2.

(my reference 1207)

COMBINED POSTAGE
I am selling other SJ stamps and covers and will combine postage as weight allows. If bidding on items finishing on different days, please let me know or you could get invoiced for too much postage. 

POSTAGE TERMS OF BUSINESS
Postage is £1.35 to UK addresses for first class post, £2.50 to the rest of the world for standard services at the buyer's risk. I always obtain proof of posting and take scan of the envelope to prove correct addressing and postal rate, so cannot consider any claims for non-delivery. I will use other services on request and at the actual cost, with no addition for packaging or Ebay fees. Please note that in the case of sendings above £50 in value I prefer to use special delvery to UK addresses (£7.95), and tracked air mail elsewhere (£8.15) and I will invoice accordingly.