diff --git a/lib/dubp/block-doc/src/block.rs b/lib/dubp/block-doc/src/block.rs
index 933ea8a33c25b347337aefa4096dce6d4ff8cca5..af8f61bf0680805aeeffa1b2df5d1e909ea04f23 100644
--- a/lib/dubp/block-doc/src/block.rs
+++ b/lib/dubp/block-doc/src/block.rs
@@ -95,6 +95,8 @@ pub trait BlockDocumentTrait {
     fn sign(&mut self, signator: &SignatorEnum);
     /// Get unit_base
     fn unit_base(&self) -> usize;
+    /// Get issuers_frame_var
+    fn issuers_frame_var(&self) -> isize;
 }
 
 impl BlockDocumentTrait for BlockDocument {
@@ -230,6 +232,12 @@ impl BlockDocumentTrait for BlockDocument {
             BlockDocument::V10(block) => block.unit_base(),
         }
     }
+    #[inline]
+    fn issuers_frame_var(&self) -> isize {
+        match self {
+            BlockDocument::V10(block) => block.issuers_frame_var(),
+        }
+    }
 }
 
 impl Document for BlockDocument {
diff --git a/lib/dubp/block-doc/src/block/v10.rs b/lib/dubp/block-doc/src/block/v10.rs
index 6c50540c129b65a0a0e6fb7d5784e3141c540341..a48f949f21a6324445b6111922dcb8bc307214f1 100644
--- a/lib/dubp/block-doc/src/block/v10.rs
+++ b/lib/dubp/block-doc/src/block/v10.rs
@@ -365,6 +365,9 @@ Transactions:{transactions}
     fn unit_base(&self) -> usize {
         self.unit_base
     }
+    fn issuers_frame_var(&self) -> isize {
+        self.issuers_frame_var
+    }
 }
 
 impl Document for BlockDocumentV10 {
diff --git a/lib/modules/gva/resources/schema.gql b/lib/modules/gva/resources/schema.gql
index d1a97acd34b808a98fbb86056940e1903cf78026..cd222a9031f5db260efe44831992389f4b4c3512 100644
--- a/lib/modules/gva/resources/schema.gql
+++ b/lib/modules/gva/resources/schema.gql
@@ -89,6 +89,8 @@ type Block {
   commonTime: DateTimeUtc!
   powMin: Int!
   unitBase: Int!
+  issuersFrame: Int!
+  issuersFrameVar: Int!
 }
 
 #################################
diff --git a/lib/modules/gva/src/schema/entities/block.rs b/lib/modules/gva/src/schema/entities/block.rs
index 5e1a655eca2283bb5f0d1495fcac280a34ece838..2b0036cddeaf986b83f412a8500be5d3e24d02f2 100644
--- a/lib/modules/gva/src/schema/entities/block.rs
+++ b/lib/modules/gva/src/schema/entities/block.rs
@@ -38,6 +38,8 @@ pub struct Block {
     common_time: NaiveDateTime,
     pow_min: i32,
     unit_base: i32,
+    issuers_frame: i32,
+    issuers_frame_var: i32,
 }
 
 impl Block {
@@ -71,6 +73,8 @@ impl Block {
             common_time: NaiveDateTime::from_timestamp(block_db.block.common_time() as i64, 0),
             pow_min: block_db.block.pow_min() as i32,
             unit_base: block_db.block.unit_base() as i32,
+            issuers_frame: block_db.block.current_frame_size() as i32,
+            issuers_frame_var: block_db.block.issuers_frame_var() as i32,
         })
     }
 }
@@ -126,4 +130,12 @@ impl super::super::BlockFields for Block {
     fn field_members_count(&self, _executor: &Executor<'_, QueryContext>) -> FieldResult<&i32> {
         Ok(&self.members_count)
     }
+    #[inline]
+    fn field_issuers_frame(&self, _executor: &Executor<'_, QueryContext>) -> FieldResult<&i32> {
+        Ok(&self.issuers_frame)
+    }
+    #[inline]
+    fn field_issuers_frame_var(&self, _executor: &Executor<'_, QueryContext>) -> FieldResult<&i32> {
+        Ok(&self.issuers_frame_var)
+    }
 }
diff --git a/lib/modules/gva/src/schema/queries/block.rs b/lib/modules/gva/src/schema/queries/block.rs
index cc6bcd983dd38404dda1bcdad44c89d7f2275f09..d0630b971c35a663cf91270d02f61b701904c61e 100644
--- a/lib/modules/gva/src/schema/queries/block.rs
+++ b/lib/modules/gva/src/schema/queries/block.rs
@@ -71,6 +71,8 @@ mod tests {
                 block.issuers = vec![pubkey('B')];
                 block.issuers_count = 3;
                 block.pow_min = 70;
+                block.issuers_frame = 125;
+                block.issuers_frame_var = 3;
                 Ok(Some(BlockDb {
                     block: BlockDocument::V10(block),
                     expire_certs: None,
@@ -100,7 +102,7 @@ mod tests {
 
         tests::test_gql_query(
             schema,
-            "{ block(number: 42) { commonTime, currency, hash, issuer, issuerName, issuersCount, number, powMin, version } }",
+            "{ block(number: 42) { commonTime, currency, hash, issuer, issuerName, issuersCount, number, powMin, version, issuersFrame, issuersFrameVar } }",
             json!({
                 "data": {
                     "block": {
@@ -112,7 +114,9 @@ mod tests {
                         "issuersCount": 3,
                         "number": 42,
                         "powMin": 70,
-                        "version": 10
+                        "version": 10,
+                        "issuersFrame": 125,
+                        "issuersFrameVar": 3,
                     }
                 }
             }),