This stock is exclusive to our Printery and therefore can't be ordered as plain A4 or SRA3 (see "our Paper" for further details)You may want to see a plain sample (it's in the Swatch Book too) so we've made it available as a sample only (you can order a maximum of 9).Launched in 1972, Colorplan is a premium uncoated stock imported from the UK and designed from the pulp up for print performance.