The main problem with this is that is you google "Robin comic merchandise" you get an awful lot of stuff relating to Batman's young assistant, grrr.
The Robin book of pets
sold by COMPAL at lot 89 in ther Summer 2012 (British section) and described thus Robin (1953) 1 13-16 39 Robin Metal Club badge Swift Club badge 2 Robin Birthday Club Cards Robin Birthday Postcard Odeon Film Club postcard. With Boy's World (1963) Vol 1: No 5 and free gift Olympic Medal Ranger 18 June 1966 Victor Summer Special (1968) and Robin 1 (1986) Robin 1 (1953) [fn-] balance [vg/fn] (17) Winning bid incl. 10% Buyer's Premium: £134. No idea what the Robin book of pets is.