diff --git a/ethdb/badger_db.go b/ethdb/badger_db.go
index 864b87eab..0851896cf 100644
--- a/ethdb/badger_db.go
+++ b/ethdb/badger_db.go
@@ -186,4 +186,10 @@ func (db *BadgerDatabase) DeleteTimestamp(timestamp uint64) error {
 	})
 }
 
+// GetS returns a single value that was put into a given historical bucket for an exact timestamp.
+func (db *BadgerDatabase) GetS(hBucket, key []byte, timestamp uint64) ([]byte, error) {
+	composite, _ := dbutils.CompositeKeySuffix(key, timestamp)
+	return db.Get(hBucket, composite)
+}
+
 // TODO [Andrew] implement the full Database interface
diff --git a/ethdb/bolt_db.go b/ethdb/bolt_db.go
index 79134516a..c97b0b812 100644
--- a/ethdb/bolt_db.go
+++ b/ethdb/bolt_db.go
@@ -186,6 +186,7 @@ func (db *BoltDatabase) Get(bucket, key []byte) ([]byte, error) {
 	return dat, err
 }
 
+// GetS returns a single value that was put into a given historical bucket for an exact timestamp.
 func (db *BoltDatabase) GetS(hBucket, key []byte, timestamp uint64) ([]byte, error) {
 	composite, _ := dbutils.CompositeKeySuffix(key, timestamp)
 	return db.Get(hBucket, composite)
diff --git a/ethdb/interface.go b/ethdb/interface.go
index 46c4e3cce..c8eba1493 100644
--- a/ethdb/interface.go
+++ b/ethdb/interface.go
@@ -35,7 +35,11 @@ type Putter interface {
 type Getter interface {
 	// Get returns a single value.
 	Get(bucket, key []byte) ([]byte, error)
+
+	// GetS returns a single value that was put into a given historical bucket for an exact timestamp.
+	// timestamp == block number
 	GetS(hBucket, key []byte, timestamp uint64) ([]byte, error)
+
 	GetAsOf(bucket, hBucket, key []byte, timestamp uint64) ([]byte, error)
 	Has(bucket, key []byte) (bool, error)
 	Walk(bucket, startkey []byte, fixedbits uint, walker func([]byte, []byte) (bool, error)) error