Dublin had only one Roller cancellation which did not appear to have been recut at any time
Characteristics: A continuous series of marks similar to the Irish 1844 postmarks for Dublin
Proofed: circa July 1856
EKD: 19th May 1857
LKD: 12th October 1860
Apart from the above two dates I have seen June and July 1857 and February 1859. Every example I have seen consists of four or more stamps and when it is dated this is more often than not by a Dublin Spoon
Scarcity Rating: G (Very Rare)