This flag on FOTW website
Groningen
Gronowo Elbląskie
India - Merchant Ensign
India - Naval Ensign
Italy (1861-1946)
Jewish Autonomous Oblast
Karakalpakstan
Kyongsangnam-do
Laeva
Liguria
Lithuania - Naval Flag
Ljig
M’Simbati sultanate
Mauritius
Mauritius - Civil Ensign
Mauritius - State Ensign
Namibia
Oman - War Ensign
Red Funnel
Saint-Pierre and Miquelon
Sakha (Yakutia)
Seychelles
Sikkim (1877-c.1914)
Solomon Islands - Civil Ensign