tag:blogger.com,1999:blog-61379575088648114.post4871510072875758830..comments2024-03-28T16:38:56.638+00:00Comments on Norvic Philatelics Blog: Machin Stamp Booklet Variations Leave Collectors PuzzledIan - Norvichttp://www.blogger.com/profile/16436130277706268046noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-61379575088648114.post-33637033031543005612015-10-22T12:45:52.331+01:002015-10-22T12:45:52.331+01:00How about this as an explanation, In preparation f...How about this as an explanation, In preparation for the new number and their impending move Walsall printed a larger run than normal on the old equipment. In anticipation that no further printing would be required to replenish stocks before 2015, a new cylinder was produced with 2015. In the meantime, Royal Mail does a mass withdrawal of books with the old number so a new run is required with M14L, so a new iridescent cylinder is prepared out of sequence.<br /><br />We know that photogravure cylinders have a longer life than litho plates, we just have to remember the quality used by Walsall & Questa in their books compared to Harrisons, so them main image and phosphor cylinders could last over may print runs/years.<br />Anonymousnoreply@blogger.com