Theo Schoon, colour transparencies from the Len Caste collection, an important archival collection of 20 medium format (54 x 5.4 cm) Kodak Ekatchrome colour transparencies which date from the mid-1950s to 1960s depicting thermal activity and scenes in the Rotorua, Waiotapu and Wairakei region. Provenance: Gifted to Len Castle by Theo Schoon in 1983. Given as part gift and part exchange for works between the artists at this time. The gift reflects the close friendship and working relationship Schoon and Castle enjoyed for many years. The collection accompanied by a signed letter from Len Castle.