CASE
WHEN {item<pricing.currency#display} = 'USA' THEN 'US'
WHEN {item<pricing.currency#display} = 'EUR' THEN 'EU'
WHEN {item<pricing.currency#display} = 'CAD' THEN 'CA'
WHEN {item<pricing.currency#display} = 'AUD' THEN 'AU'
WHEN {item<pricing.currency#display} = 'GBP' THEN 'UK'
WHEN {item<pricing.currency#display} = 'NZD' THEN 'NZ'
ELSE 'no' END