diff --git a/src/denomination.ml b/src/denomination.ml
index e6664d22..1adebc4d 100644
--- a/src/denomination.ml
+++ b/src/denomination.ml
@@ -48,9 +48,20 @@ let make_denom_group_sorted denominations =
              fee_refresh;
              fee_refund;
              age_mask= _;
-             h_pub= _;
+             h_pub;
              master_sig;
            } ->
+             (*
+        Fmt.epr "master_sig: %s@."
+          (B32.encode @@ Signatures.DenominationKeyValidity.to_octets master_sig);
+        Fmt.epr "h_pub: %s@."
+          (B32.encode @@ Hash.DenominationHash.to_octets h_pub);
+        Fmt.epr "h_pub': %s@."
+          (B32.encode
+          @@ Hash.DenominationHash.to_octets
+          @@ Hash.DenominationHash.hash
+          @@ RsaPublicKey.to_octets pub);
+          *)
         let k = (value, fee_withdraw, fee_deposit, fee_refresh, fee_refund) in
         let v =
           Api.RsaDenom.