Any other colour printers

Can anyone give any information regarding prints by this person, they are normally on card mounts with title and then David Davidson and address below. We know that David Davidson was a publisher in New York in the 1850's but it his 'experiments' in colour printing that we are most interested to hea

Can anyone help identify this print? A friend of GeorgeBaxter.com has four colour wood blocks for this print. From his own presses he produced this print. The colours are slightly guess-work, the red flower could easily be yellow instead of red etc. This is obviously the work of a Victorian colo