First, it's not 25 mm, it's 25 ACP. Second, not very much. According to the Blue Book of Gun Values, the most it can be worth is about $50.00
20 mm cannons.
AEK-999 (Machine gun - 7.62 x 54 mm) AO-9 (Machine Gun - 23 x 115 mm) AO-18 (Gatling Machine Gun - 30 mm) DP-27 / DP-28 (Light machine gun - 7.62x54mmR) * ** DPM (Light machine gun - 7.62x54 mmR) ** DA (Light machine gun - 7.62x54mmR) ** DT / DTM (Light machine gun - 7.62x54mmR) ** RP-46 (Light machine gun - 7.62x54mmR) * DShK ** DShK 1938 (Heavy machine gun - 12.7x107mm) ** DShK 1938/1946 / DShKM (Heavy Machine Gun - 12.7x107mm) Kord (Heavy Machine Gun - 12.7 x 107 mm) KPVT (Tank Heavy Machine Gun) Maxim M1910 (Medium machine gun - 7.62x54mmR) NSV (Heavy Machine Gun - 12.7x108mm) * PK (GPMG - 7.62 x 54 mm R) ** PKM (GPMG - 7.62 x 54 mm R) ** PKSMN (GPMG - 7.62 x 54 mm R) ** PKT (GPMG - 7.62 x 54 mm R) Pecheneg (Machine gun - 7.62 x 54 mm) SG-43 Gorunov (Medium machine gun - 7.62 x 54 mm R) TKB-523 (Light Machine Gun - 7.62 x 39 mm) 6P62 (Heavy Machine Gun - 12.7 x 107 mm)
88 mm main gun
no
Gun smith, gun shop, gun show, gunpartscorp website.
Value is too difficult to be accurate without seeing the gun. Condition which includes the amount of original finish and original configuration will determine value. Recommend taking it to a gun shop for appraisal.
556 mm with stock retracted, 730 mm with stock extended.
The value of a Lorcin 9mm handgun can vary based on its condition, age, and market demand. On average, a used Lorcin 9mm can be worth anywhere from $50 to $150. It's best to have it assessed by a firearms expert or a licensed gun dealer for a more accurate appraisal.
A gun shop.
Gun shop, gun show, internet
Gun show, e-gunparts.com