The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AT&T Inc COM 00206r102 421 10,736 SH   SOLE   0 0 10,736
Abbott Labs Com COM 002824100 228 4,271 SH   SOLE   0 0 4,271
Abbvie Inc. Com COM 00287y109 411 4,624 SH   SOLE   0 0 4,624
Alerus Finl Corp Com COM 01446u103 410 20,100 SH   SOLE   0 0 20,100
Alleghany Corp COM 017175100 9,465 17,084 SH   SOLE   0 0 17,084
Allergan Plc COM g0177j108 541 2,642 SH   SOLE   0 0 2,642
Allstate Corp COM 020002101 208 2,259 SH   SOLE   0 0 2,259
Altria Group Inc. COM 02209s103 248 3,909 SH   SOLE   0 0 3,909
Amazon Com Inc Com COM 023135106 211 219 SH   SOLE   0 0 219
Avalonbay Comm Reit Inc. COM 053484101 241 1,350 SH   SOLE   0 0 1,350
BB&T Corp COM 054937107 273 5,811 SH   SOLE   0 0 5,811
Bank Of Amer Corp COM 060505104 1,840 72,626 SH   SOLE   0 0 72,626
Becton Dickinson & Co Com COM 758871099 3,589 18,313 SH   SOLE   0 0 18,313
Bed Bath & Beyond Inc Com COM 075896100 2,042 86,996 SH   SOLE   0 0 86,996
Berkshire Hathaway Inc-Cl A COM 846701084 824 3 SH   SOLE   0 0 3
Berkshire Hathaway Inc-Cl B COM 084670702 26,296 143,444 SH   SOLE   0 0 143,444
Boston Properties COM 101121101 295 2,400 SH   SOLE   0 0 2,400
Cable One Inc Com COM 12685j105 2,330 3,227 SH   SOLE   0 0 3,227
Coca-Cola Corp COM 191216100 4,384 97,403 SH   SOLE   0 0 97,403
Colfax Corp Com COM 194014106 7,705 185,030 SH   SOLE   0 0 185,030
Corning Inc Com COM 219350105 5,123 171,215 SH   SOLE   0 0 171,215
Costco Wholesale Corp COM 22160k105 325 1,976 SH   SOLE   0 0 1,976
Diageo Plc Spon Adr New COM 25243q205 2,002 15,148 SH   SOLE   0 0 15,148
Diamond Offshore Drill Com COM 25271c102 1,061 73,144 SH   SOLE   0 0 73,144
Discovery Holdings Co Cl A COM 25470f104 4,820 226,405 SH   SOLE   0 0 226,405
Dover Corp Com COM 260003108 3,892 42,588 SH   SOLE   0 0 42,588
Dover Motorsports Inc COM 260174107 200 97,352 SH   SOLE   0 0 97,352
Exxon Mobil Corp COM 30231g102 7,359 89,767 SH   SOLE   0 0 89,767
Fairfax Finl Hldgs Ltd Sub Vtg COM 303901102 564 1,086 SH   SOLE   0 0 1,086
Federal Realty Invt Tr Sbi-New COM 313747206 311 2,500 SH   SOLE   0 0 2,500
Fedex Corp Com COM 31428X106 205 910 SH   SOLE   0 0 910
First Natl Bk Alaska Com COM 32212j106 366 214 SH   SOLE   0 0 214
General Electric Corp COM 369604103 430 17,775 SH   SOLE   0 0 17,775
Genuine Parts Co Com COM 372460105 5,211 54,478 SH   SOLE   0 0 54,478
Glaxo Holdings Plc COM 37733w105 1,495 36,815 SH   SOLE   0 0 36,815
Graham Holdings Co COM 384637104 1,750 2,991 SH   SOLE   0 0 2,991
Hasbro Inc Com COM 418056107 6,730 68,907 SH   SOLE   0 0 68,907
Honeywell Intl Inc COM 438516106 308 2,172 SH   SOLE   0 0 2,172
IShares Tr MSCI Eafe Idx COM 464287465 278 4,065 SH   SOLE   0 0 4,065
Intel Corp COM 458140100 303 7,950 SH   SOLE   0 0 7,950
International Business Machine COM 459200101 7,074 48,756 SH   SOLE   0 0 48,756
J P Morgan Chase And Co COM 46625h100 752 7,875 SH   SOLE   0 0 7,875
Johnson & Johnson COM 478160104 13,631 104,850 SH   SOLE   0 0 104,850
Johnson Ctls International Plc COM G51502105 1,885 46,785 SH   SOLE   0 0 46,785
Leucadia National Corp COM 527288104 8,744 346,278 SH   SOLE   0 0 346,278
Liberty Media Corp Del Com Ser COM 531229854 241 6,320 SH   SOLE   0 0 6,320
Loews Corp COM 540424108 7,928 165,653 SH   SOLE   0 0 165,653
Madison Square Garden Cl A COM 55825t103 7,775 36,316 SH   SOLE   0 0 36,316
Markel Corp Com COM 570535104 23,173 21,698 SH   SOLE   0 0 21,698
Marsh & McLennan Cos Com COM 571748102 4,703 56,115 SH   SOLE   0 0 56,115
McCormick & Co Inc Com Non Vtg COM 579780206 3,296 32,117 SH   SOLE   0 0 32,117
McDonalds Corp COM 580135101 288 1,837 SH   SOLE   0 0 1,837
Microsoft Corp Com COM 594918104 7,545 101,283 SH   SOLE   0 0 101,283
Nestle Sa-Adr Repstg COM 641069406 1,294 15,400 SH   SOLE   0 0 15,400
Norfolk Southern Corp COM 655844108 6,257 47,318 SH   SOLE   0 0 47,318
Norwegian Cruise Line Shs COM g66721104 849 15,715 SH   SOLE   0 0 15,715
Paychex Inc COM 704326107 5,664 94,460 SH   SOLE   0 0 94,460
Pentair Ltd COM g7s00t104 1,621 23,851 SH   SOLE   0 0 23,851
Pepsico Inc COM 713448108 5,999 53,839 SH   SOLE   0 0 53,839
Pfizer Inc Com COM 717081103 698 19,556 SH   SOLE   0 0 19,556
Progressive Corp Ohio Com COM 743315103 7,707 159,176 SH   SOLE   0 0 159,176
Royal Dutch Shell Plc Adr Cl A COM 780257804 388 6,400 SH   SOLE   0 0 6,400
Ryanair Hldgs Plc Sponsored Ad COM 783513203 5,795 54,975 SH   SOLE   0 0 54,975
Sandy Spring Bancorp Com COM 800363103 4,080 98,459 SH   SOLE   0 0 98,459
T Rowe Price Group Inc COM 74144t108 7,877 86,898 SH   SOLE   0 0 86,898
Teva Pharmaceutical Inds Adr COM 881624209 253 14,401 SH   SOLE   0 0 14,401
Tripadvisor Inc Com COM 896945201 1,386 34,185 SH   SOLE   0 0 34,185
Unilever Plc Amern Shs COM 904767704 208 3,590 SH   SOLE   0 0 3,590
Union Pac Corp COM 907818108 244 2,100 SH   SOLE   0 0 2,100
Verizon Communications Com COM 92343v104 367 7,408 SH   SOLE   0 0 7,408
Wal Mart Stores Inc Com COM 931142103 6,082 77,831 SH   SOLE   0 0 77,831
Walgreens Boots Alliance Inc C COM 931427108 7,907 102,396 SH   SOLE   0 0 102,396
Walt Disney Holding Co COM 254687106 4,928 49,993 SH   SOLE   0 0 49,993
Washington Real Estate Inv Tr COM 939653101 429 13,090 SH   SOLE   0 0 13,090
Wells Fargo & Co COM 949746101 6,892 124,973 SH   SOLE   0 0 124,973
Source Capital Inc COM 836144105 262 6,525 SH   SOLE   0 0 6,525