Eri-Aaroni 3423 Valio (July 12, 1932 – September 1, 1953) was liver chestnut stallion who was a Ravikuningas title winner in harness racing and a very influential Finnhorse sire.

Nonetheless, In 1946, the horse breeding association of Laihia purchased Eri-Aaroni to stand at stud for the unpreceded price of two million Finnish marks.

[1] He was by a stallion who was a Ravikuningas title winner and tähtijuoksija named Murto 2306, and out of the mare Upeva 1640-V, a 50.0-timed, well-conformed broodmare.

Then, in 1937, the well-known horseman Fritz Buttenhoff bought the now 5-year-old Eri-Aaroni from Takanen for 100 000 marks, corresponding to c. 34 000 Euros, and took the stallion to his estate in Vyborg.

[6] His racing career came to a halt with the beginning of the Winter War, as Eri-Aaroni and his owner were evacuated to Suomenniemi and then Kirkkonummi.

The event happened to take place during uneventful trench war, and Räikkönen, who served in the Finnish ranks, was given furlough to drive Eri-Aaroni in the competition.

[3] The best show success Eri-Aaroni gained as an individual was a second prize in 1946, when he had already proven his talent both as a record-breaking racehorse and a sire.

[3] After the Continuation War ended in 1944, parts of Kirkkonummi were rented by the Soviet Union to host a military base, and Eri-Aaroni was evacuated again.

[9][10] Buttenhoff agreed to sell as he had become disabled by rheumatoid arthritis, and Räikkönen, the groom and trainer of Eri-Aaroni, was planning to become a farmer.

[12] During the busiest peaks of breeding seasons Eri-Aaroni had to serve mares as often as every three hours, but as he ate well, he did not grow weak.

Nonetheless, the prevailing view held that Eri-Aaroni, with his dark chestnut color and prominent markings, strongly resembled Murto, who was properly credited to be his sire.