For a short period in 1943, the Imotski post office used a temporary provisional postmark "POŠTA - IMOTSKI" and a handwritten dispatch date...
Registered official letter, sent from Imotski (11.6.43) to Mostar (22.VI.43) franked with 16kn (7kn for the second weight letter and 9kn for the registration), cancelled with a temporary provisional rubber postmark "POŠTA - IMOTSKI".