sentences:  After having studied calligraphy and letter design at the Hampstead Garden Suburb Institute in his teens, Gardner enrolled at The Royal College of Art, simultaneously studying (in his second and third years), at the Central School of Arts and Crafts under George Friend, J. H. Mason, Barry Hart and Martin Travers.In 1939 his studies were finally rewarded with a diploma and The Travelling Scholarship from the Royal College of Art.Gardner was most well known for his designs for the reverses of the 1953 three penny piece, English and Scottish shillings and the decimal 20p reverse of 1982 still in use today.