13218
He later transferred the rights to the idea to his friend and fellow printer Hymen Lipman who was also credited for the invention and who printed the postal cards with a decorative border and a small print reading " Lipman 's Postal Card .
 Hymen Lipman, Lipman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hymen Lipman, Lipman