Registered letter without stamps TREBINJE - OSIJEK 30.04. 1916. Description: Registered letter without stamps TREBINJE - OSIJEK 30.04. 1916. Military mail set free of charge. Very good quality. Registered letter without stamps TREBINJE - OSIJEK 30.04. 1916. Auction: Aukcija br. 54 - Filatelija i razglednice Catalog No: 628 Category: Bosnia and Herzegovina Quality: ✉ Current offer is at 16EUR. In order to place your bid your offer needs to be at least 16EUR or higher. Please place your bid: Other items from the category: Bosnia and Herzegovina ✉ 632 25 EUR ✉ 633 30 EUR ✉ 634 30 EUR ☉ 635 10 EUR ←1234