diff --git a/modules/citelis/browser.py b/modules/citelis/browser.py
index 25d2793c..582226c9 100644
--- a/modules/citelis/browser.py
+++ b/modules/citelis/browser.py
@@ -61,7 +61,7 @@ class CitelisBrowser(BaseBrowser):
         self.location('%s://%s/summarySearch.do?reqCode=search' % (self.PROTOCOL, self.DOMAIN))
         account = Account()
         account.id = u'1'
-        account.currency = Account.CUR_EUR
+        account.currency = 'EUR'
         account.balance = self.page.get_balance()
         account.label = u'Synthèse financière'
         return [account]
diff --git a/modules/delubac/pages.py b/modules/delubac/pages.py
index 616423ac..a56627a1 100644
--- a/modules/delubac/pages.py
+++ b/modules/delubac/pages.py
@@ -65,8 +65,7 @@ class DashboardPage(BasePage):
         account.balance = Decimal(FrenchTransaction.clean_amount(
             get_field('accountTotal')))
         account.label = get_field('accountLabel2')
-        account.currency = Account.TXT2CUR.get(get_field('accountDev'),
-                                               Account.CUR_UNKNOWN)
+        account.currency = account.get_currency(get_field('accountDev'))
 
         return account
 
diff --git a/modules/ing/pages/accounts_list.py b/modules/ing/pages/accounts_list.py
index 7cf0b71d..b9ca4712 100644
--- a/modules/ing/pages/accounts_list.py
+++ b/modules/ing/pages/accounts_list.py
@@ -23,7 +23,6 @@ from datetime import date, timedelta
 import re
 import hashlib
 
-from weboob.capabilities.base import Currency
 from weboob.capabilities.bank import Account, Transaction
 from weboob.capabilities.base import NotAvailable
 from weboob.tools.browser import BasePage
@@ -59,7 +58,7 @@ class AccountsList(BasePage):
         # TODO: no idea abount how proxy account are displayed
         for a in self.document.xpath('//a[@class="mainclic"]'):
             account = Account()
-            account.currency = Currency.CUR_EUR
+            account.currency = 'EUR'
             account.id = unicode(a.find('span[@class="account-number"]').text)
             account._id = account.id
             account.label = unicode(a.find('span[@class="title"]').text)
diff --git a/modules/leclercmobile/backend.py b/modules/leclercmobile/backend.py
index cc94542b..f5f7a2ec 100644
--- a/modules/leclercmobile/backend.py
+++ b/modules/leclercmobile/backend.py
@@ -22,7 +22,6 @@
 from weboob.capabilities.bill import ICapBill, SubscriptionNotFound,\
     BillNotFound, Subscription, Bill
 from weboob.tools.backend import BaseBackend, BackendConfig
-from weboob.capabilities.base import Currency
 from weboob.tools.value import ValueBackendPassword
 
 from .browser import Leclercmobile
@@ -106,5 +105,5 @@ class LeclercMobileBackend(BaseBackend, ICapBill):
             balance = self.browser.get_balance()
             balance.label = u"Balance %s" % subscription.id
             balance.id = "%s-balance" % subscription.id
-            balance.currency = Currency.CUR_EUR
+            balance.currency = 'EUR'
             return balance
diff --git a/modules/nettokom/backend.py b/modules/nettokom/backend.py
index 5feeff15..c20b6207 100644
--- a/modules/nettokom/backend.py
+++ b/modules/nettokom/backend.py
@@ -20,7 +20,6 @@
 
 
 from weboob.capabilities.bill import ICapBill, Subscription, SubscriptionNotFound, Detail
-from weboob.capabilities.base import Currency
 from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.value import ValueBackendPassword
 
@@ -80,5 +79,5 @@ class NettoKomBackend(BaseBackend, ICapBill):
         balance.id = "%s-balance" % subscription.id
         balance.price = subscription._balance
         balance.label = u"Balance %s" % subscription.id
-        balance.currency = Currency.CUR_EUR
+        balance.currency = 'EUR'
         return balance
diff --git a/modules/poivy/backend.py b/modules/poivy/backend.py
index bd076511..fe376441 100644
--- a/modules/poivy/backend.py
+++ b/modules/poivy/backend.py
@@ -19,7 +19,6 @@
 
 
 from weboob.capabilities.bill import ICapBill, Subscription, SubscriptionNotFound, Detail
-from weboob.capabilities.base import Currency
 from weboob.tools.backend import BaseBackend, BackendConfig
 from weboob.tools.value import ValueBackendPassword
 
@@ -76,5 +75,5 @@ class PoivyBackend(BaseBackend, ICapBill):
         balance.id = "%s-balance" % subscription.id
         balance.price = subscription._balance
         balance.label = u"Balance %s" % subscription.id
-        balance.currency = Currency.CUR_EUR
+        balance.currency = 'EUR'
         return balance
diff --git a/modules/poivy/pages.py b/modules/poivy/pages.py
index 23ddd726..2e916bb5 100644
--- a/modules/poivy/pages.py
+++ b/modules/poivy/pages.py
@@ -18,7 +18,6 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 from weboob.tools.browser import BasePage
-from weboob.capabilities.base import Currency
 from weboob.capabilities.bill import Subscription, Detail
 from decimal import Decimal, InvalidOperation
 from datetime import datetime, date, time
@@ -106,7 +105,7 @@ class HistoryPage(BasePage):
                 detail.price = Decimal(price)
             except InvalidOperation:
                 detail.price = Decimal(0)  # free calls
-            detail.currency = Currency.CUR_EUR
+            detail.currency = 'EUR'
 
             yield detail
 
diff --git a/weboob/capabilities/bank.py b/weboob/capabilities/bank.py
index 288e1035..b2a32280 100644
--- a/weboob/capabilities/bank.py
+++ b/weboob/capabilities/bank.py
@@ -49,8 +49,8 @@ class Recipient(CapBaseObject, Currency):
     Recipient of a transfer.
     """
 
-    label = StringField('Name')
-    currency =  IntField('Currency', default=Currency.CUR_UNKNOWN)
+    label =     StringField('Name')
+    currency =  StringField('Currency', default=None)
 
     def __init__(self):
         CapBaseObject.__init__(self, 0)
diff --git a/weboob/capabilities/base.py b/weboob/capabilities/base.py
index 1683f112..fade3780 100644
--- a/weboob/capabilities/base.py
+++ b/weboob/capabilities/base.py
@@ -428,17 +428,11 @@ class CapBaseObject(object):
 
 
 class Currency(object):
-    CUR_UNKNOWN        = 0
-    CUR_EUR            = 1
-    CUR_CHF            = 2
-    CUR_USD            = 3
-
-    TXT2CUR = OrderedDict(((u'€',   CUR_EUR),
-                           (u'EUR', CUR_EUR),
-                           (u'CHF', CUR_CHF),
-                           (u'$',   CUR_USD),
-                           (u'USD', CUR_USD),
-              ))
+    CURRENCIES = {u'EUR': u'€',
+                  u'CHF': u'CHF',
+                  u'USD': u'$',
+                  u'GBP': u'£',
+                 }
 
     EXTRACTOR = re.compile(r'[\d\s,\.\-]', re.UNICODE)
 
@@ -462,14 +456,11 @@ class Currency(object):
         """
         curtexts = klass.EXTRACTOR.sub(' ', text.upper()).split()
         for curtext in curtexts:
-            cur = klass.TXT2CUR.get(curtext)
-            if cur is not None:
-                return cur
-        return klass.CUR_UNKNOWN
+            for currency, symbol in klass.CURRENCIES.iteritems():
+                if curtext in (currency, symbol):
+                    return currency
+        return None
 
     @classmethod
     def currency2txt(klass, currency):
-        for txt, value in klass.TXT2CUR.iteritems():
-            if value == currency:
-                return txt
-        return u''
+        return klass.CURRENCIES.get(currency, u'')
diff --git a/weboob/capabilities/bill.py b/weboob/capabilities/bill.py
index a1bc450a..9c140bfa 100644
--- a/weboob/capabilities/bill.py
+++ b/weboob/capabilities/bill.py
@@ -18,7 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 
-from .base import CapBaseObject, StringField, DateField, DecimalField, IntField, UserError, Currency
+from .base import CapBaseObject, StringField, DateField, DecimalField, UserError
 from .collection import ICapCollection
 
 
@@ -50,7 +50,7 @@ class Detail(CapBaseObject):
     datetime =  DateField('date information')
     price =     DecimalField('Total price, taxes included')
     vat =       DecimalField('Value added Tax')
-    currency =  IntField('Currency', default=Currency.CUR_UNKNOWN)
+    currency =  StringField('Currency', default=None)
     quantity =  DecimalField('Number of units consumed')
     unit =      StringField('Unit of the consumption')
 
@@ -67,7 +67,7 @@ class Bill(CapBaseObject):
     label =         StringField('label of bill')
     idparent =      StringField('id of the parent subscription')
     price =         DecimalField('Price to pay')
-    currency =      IntField('Currency', default=Currency.CUR_UNKNOWN)
+    currency =      StringField('Currency', default=None)
     deadline =      DateField('The latest day to pay')
     startdate =     DateField('The first day the bill applies to')
     finishdate =    DateField('The last day the bill applies to')
diff --git a/weboob/capabilities/travel.py b/weboob/capabilities/travel.py
index 442f1288..2709a341 100644
--- a/weboob/capabilities/travel.py
+++ b/weboob/capabilities/travel.py
@@ -21,7 +21,7 @@
 import datetime
 
 from .base import IBaseCap, CapBaseObject, StringField, TimeField, DeltaField, \
-                  DateField, DecimalField, IntField, Currency, UserError
+                  DateField, DecimalField, UserError
 
 
 __all__ = ['Station', 'Departure', 'RoadStep', 'RoadmapError', 'RoadmapFilters', 'ICapTravel']
@@ -54,7 +54,7 @@ class Departure(CapBaseObject):
     information =       StringField('Informations')
     plateform =         StringField('Where the train will leave')
     price =             DecimalField('Price of ticket')
-    currency =          IntField('Currency', default=Currency.CUR_UNKNOWN)
+    currency =          StringField('Currency', default=None)
 
     def __init__(self, id, _type, _time):
         CapBaseObject.__init__(self, id)