Quote:

---

got this pics from Finland, a M 88 rifle in 8x57 that was given as a challenge trophy by a finnish Civil Guard unit for shooting competition in the 1920s.

---

Not a M88, but a Haenel, Suhl, M 1909, grade St.P.Nr.6, a really rare bird. Most likely made before WW1.
Pic and description from a pre-WW1 Haenel catalog:

Translation:
St.P.Nr.6 Stripperclip loading hunting rifle Haenel system, Model 1909. Bolt with gas shield, bent bolt handle with pear shaped knob; round barrel Kruppīs fluid steel, with silver bead frontsight on short, matted base, standing rear sight with one small folding leaf, with good double set trigger, better stock wood (than grade St.P.Nr.5) and better finish; halfstock with cheekpiece and checkered pistolgrip, sling swivels, all parts blued Mark 95.-
Available in 7mm (7x57), 8mm (8x57I), 9mm(9x57)
Total length about 112cm., weight about 3.150 kg

My own Haenel M1909, "economy" grade St.P.Nr.5 in 9x57